FSG 41 Refrigeration, Air Conditioning, and Air Circulating Equipment

Question 1

What is Federal Supply Group 41?

Accepted Answer

FSG 41 is the Federal Supply Group (formally known as NATO Supply Classification Group NSG 41) in the USA for supply items codified in the category of Refrigeration, Air Conditioning, and Air Circulating Equipment.

Question 2

What is NATO Supply Classification Group 41?

Accepted Answer

NSG 41 is the NATO Supply Classification Group (also known as Federal Supply Group FSG 41 in the USA) for supply items codified in the category of Refrigeration, Air Conditioning, and Air Circulating Equipment.

Question 3

Which Federal Supply Classes are in FSG 41?

Accepted Answer

FSG 41 contains the following Federal Supply Classes (FSC) (formally known as NATO Supply Classification Class [NSC]): 4110,4120,4140,4130,4150

Question 4

Which NATO Supply Classification Classes are in NSG 41?

Accepted Answer

NSG 41 contains the following NATO Supply Classification Classes (NSC) (also known as Federal Supply Class [FSC] in the USA): 4110,4120,4140,4130,4150

Question 5

When did the transition from Federal Supply Groups (FSG) to NATO Supply Groups (NSG) occur?

Accepted Answer

The transition from Federal Supply Groups (FSG) to NATO Supply Groups (NSG) occurred on January 1, 1997. This change was implemented to align the classification and coding systems used by NATO member countries for military supplies and equipment. Federal Supply Groups (FSG) are now obsolete.

Question 6

What is an Electrical Power Cable?

Accepted Answer

An Electrical Power Cable (CABLE,POWER,ELECTRICAL) is two or more insulated conductors (solid or stranded) contained in a common covering, or two or more insulated conductors twisted or molded together without a common covering, or one insulated conductor with a metallic covering, covering, shield, or outer conductor. The rated working voltage of the item must be 300 volts or more, or in lieu of this the test voltage must be 1,000 volts or more; and the size of each individual conductor must be number 18 American Wire Gage (0.75 SQUARE MILLIMETERS) or larger. For cables with uninsulated neutral conductor use the hightest rated voltage. Refers to bulk quantities only, for items of definite length with processed ends or terminated in fittings, see CABLE ASSEMBLY, POWER, ELECTRICAL. For low voltage aircraft and automotive cable, see CABLE, SPECIAL PURPOSE, ELECTRICAL.

Question 7

What is a Mortuary Mechanical Refrigerator?

Accepted Answer

A Mortuary Mechanical Refrigerator (REFRIGERATOR,MECHANICAL,MORTUARY) is a mechanically refrigerated cabinet with compartments containing sliding shelves, used for the storage of cadavers.

Question 8

What is a Mechanically Refrigerated Power Operated Ice Cream Freezer?

Accepted Answer

A Mechanically Refrigerated Power Operated Ice Cream Freezer (ICE CREAM FREEZER,POWER OPERATED,MECHANICALLY REFRIGERATED) is a device consisting of an insulated inclosure containing a cylinder with inside beaters or mixers rotated mechanically, and may include a condensing unit. Ice cream mixes are placed in the cylinder and partially frozen in batches by mechanical refrigeration.

Question 9

What is an Ice Cream Plant?

Accepted Answer

An Ice Cream Plant is a self-contained or multiple unit plant consisting of an ice cream freezer and hardening cabinet(s). The condensing unit may be contained within, or separate from, the plant. The hardening cabinet(s) may have dispensing facilities. Intended for the manufacturing, hardening and storage of ice cream.

Question 10

What is a Mechanically Refrigerated Display Case?

Accepted Answer

A Mechanically Refrigerated Display Case (DISPLAY CASE,MECHANICALLY REFRIGERATED) is an insulated inclosure, complete or partial, designed for mechanical cooling and for use in establishments dispensing food and/or other perishable products. It is intended primarily for the refrigerated display of products and may include evaporators and/or condensing unit, and/or storage facilities. Excludes REFRIGERATOR-FREEZER, MECHANICAL, FOOD: REFRIGERATOR, MECHANICAL, FOOD; and FREEZER, MECHANICAL, FOOD.

Question 11

What is a Mechanically Refrigerated Ice Cream Cabinet?

Accepted Answer

A Mechanically Refrigerated Ice Cream Cabinet (ICE CREAM CABINET,MECHANICALLY REFRIGERATED) is an insulated low- temperature box or cabinet with cooling coils and may be furnished with condensing unit. It is designed primarily for use in the storage, hardening and dispensing of ice cream in bulk or prepackaged individual servings.

Question 12

What is a Mechanically Cooled Drinking Water Dispenser?

Accepted Answer

A Mechanically Cooled Drinking Water Dispenser (DISPENSER,DRINKING WATER,MECHANICALLY COOLED) is an item having a refrigeration unit incorporating an electrically- driven mechanical condensing unit. It may be bottle, bubbler, cafeteria, or noncirculating individual remote type. It is designed for mechanically cooling and dispensing drinking water.

Question 13

What is a Flake Ice Making Machine?

Accepted Answer

A Flake Ice Making Machine (ICE MAKING MACHINE,FLAKE) is a unit which, through the process of freezing water into ice, is designed to produce chip, flake, snow, or ribbon ice. The freezing process is accomplished by employing a primary refrigerant in a circular evaporator.

Question 14

What is a Tube Ice Making Machine?

Accepted Answer

A Tube Ice Making Machine (ICE MAKING MACHINE,TUBE) is a unit which, through the process of freezing water into ice, is designed to produce ice in either cylindrical or cube form having a hole in the center. The freezing process is accomplished by employing a primary refrigerant circulating around tubes in which the water is frozen. It may also have facilities for producing crushed ice. Excludes ICE MAKING MACHINE, CUBE.

Question 15

What is a Cube Ice Making Machine?

Accepted Answer

A Cube Ice Making Machine (ICE MAKING MACHINE,CUBE) is a unit which, through the process of freezing water into ice, is specifically designed to produce ice in trays in cube form through use of a grid. It must include condensing unit.

Question 16

What is a Block Ice Making Plant?

Accepted Answer

A Block Ice Making Plant (ICE MAKING PLANT,BLOCK) is a plant which is self-contained or field assembled, which through the process of freezing water into ice, is designed to produce ice in block form.

Question 17

What is an Ice Storage Chest?

Accepted Answer

An Ice Storage Chest (CHEST,ICE STORAGE) is an insulated box with a single drop lid specifically designed for the storage of water ice only.

Question 18

What is a Mechanical Refrigeration Unit?

Accepted Answer

A Mechanical Refrigeration Unit (REFRIGERATION UNIT,MECHANICAL) is a self-contained refrigeration unit having a power driven compressor, condenser, evaporator, and other necessary components. It is used to refrigerate an enclosed space by the introduction of the evaporator section through an opening in the side or top of the enclosure forming an integral section thereof (panel type) or placed in the outside proximity of the inclosure (remote type). Excludes REFRIGERATOR-FREEZER, MECHANICAL, FOOD; and REFRIGERATOR, MECHANICAL, FOOD.

Question 19

What is a Bacteriological Mechanical Refrigerator?

Accepted Answer

A Bacteriological Mechanical Refrigerator (REFRIGERATOR,MECHANICAL,BACTERIOLOGICAL) is a mechanically-refrigerated cabinet designed specifically for the preservation of bacteriological cultures. Excludes REFRIGERATOR, MECHANICAL, BIOLOGICALS; REFRIGERATOR-FREEZER, MECHANICAL, FOOD; and REFRIGERATOR, MECHANICAL, FOOD.

Question 20

What is a Biologicals Mechanical Refrigerator?

Accepted Answer

A Biologicals Mechanical Refrigerator (REFRIGERATOR,MECHANICAL,BIOLOGICALS) is a mechanically refrigerated cabinet with divided areas of racks or drawers that will maintain optimum above freezing storage temperatures for samples, surgical and laboratory specimens, serums, medicines and reagents. Facilities for twenty-four hour monitoring or storage temperature may be provided. For refigerator with a freezer see REFRIGERATOR-FREEZER, MECHANICAL, BIOLOGICALS. Excludes REFRIGERATOR-FREEZER, MECHANICAL, FOOD; REFRIGERATOR, MECHANICAL, BATERIOLOGICAL; AND REFRIGERATOR, MECHANICAL, FOOD.

Question 21

What is a Refrigerator Ice Cube Tray?

Accepted Answer

A Refrigerator Ice Cube Tray (TRAY,ICE CUBE,REFRIGERATOR) is a container consisting of a rigid or flexible tray and a rigid or flexible grid for use in refrigerators when making ice cubes.

Question 22

What is a Prefabricated Refrigerator?

Accepted Answer

A Prefabricated Refrigerator (REFRIGERATOR,PREFABRICATED) is a sectional, demountable, insulated cabinet or enclosure which, when assembled and equipped with refrigerating unit, forms a storage space(s) with low temperatures. Refrigerating unit may or may not be included. Excludes BUILDING, PREFABRICATED, PANELIZED; BUILDING, PREFABRICATED, SECTIONAL; REFRIGERATOR-FREEZER, MECHANICAL, FOOD; and REFRIGERATOR, MECHANICAL, FOOD.

Question 23

What is a Remote Condensing Unit Refrigerator?

Accepted Answer

A Remote Condensing Unit Refrigerator (REFRIGERATOR,REMOTE CONDENSING UNIT) is an insulated cabinet with an evaporator(s), and shelves for storage of food, and the like. The evaporator is connected to the refrigerant supply line of a remote CONDENSING UNIT, REFRIGERATING. It may have facilities for making ice cubes and cooling drinking water. Excludes REFRIGERATOR, MECHANICAL (as modified).

Question 24

What is a Mechanically Refrigerated Soft Serve Ice Cream Maker?

Accepted Answer

A Mechanically Refrigerated Soft Serve Ice Cream Maker (ICE CREAM MAKER,SOFT SERVE,MECHANICALLY REFRIGERATED) is a self-contained, electrically powered, automatic device, designed to blend, chill and dispense a soft ice cream product for immediate consumption. Excludes ICE CREAM FREEZER, POWER OPERATED, MECHANICALLY REFRIGERATED.

Question 25

What is a Water Cooler-Heater?

Accepted Answer

A Water Cooler-Heater (COOLER-HEATER,WATER) is an apparatus designed to deliver hot and/or cooled drinking water. It normally includes a spout for direct drinking and may include facilities enabling one to drink from a glass or cup.

Question 26

What is a Food Mechanical Refrigerator-Freezer?

Accepted Answer

A Food Mechanical Refrigerator-Freezer (REFRIGERATOR-FREEZER,MECHANICAL,FOOD) is an insulated upright cabinet/enclosure with two separate storage compartments, fresh food section and frozen food section. It may have the capability of producing ice cubes automatically. It is intended for storage and preservation of both fresh and frozen foods. The freezer compartment may also be used for freezing perishable food rapidly. Excludes DISPLAY CASE, MECHANICALLY REFRIGERATED; FREEZER, MECHANICAL, FOOD; REFRIGERATION UNIT, MECHANICAL; REFRIGERATOR, MECHANICAL, FOOD; REFRIGERATOR, PREFABRICATED.

Question 27

What is a Food Mechanical Freezer?

Accepted Answer

A Food Mechanical Freezer (FREEZER,MECHANICAL,FOOD) is an insulated upright or chest type cabinet designed for keeping frozen food at sub-freezing temperature, or for freezing perishable food rapidly. For freezer with a fresh food compartment - see REFRIGERATOR-FREEZER, MECHANICAL, FOOD. Also excludes DISPLAY CASE, MECHANICALLY REFRIGERATED; ICE CREAM CABINET, MECHANICALLY REFRIGERATED; ICE CREAM PLANT; REFRIGERATOR, MECHANICAL, FOOD.

Question 28

What is a Food Mechanical Refrigerator?

Accepted Answer

A Food Mechanical Refrigerator (REFRIGERATOR,MECHANICAL,FOOD) is an insulated upright cabinet/enclosure with single or multiple storage compartments. It is intended for storage and preservation of fresh foods, vegetables, and the like. For refrigerator with a freezer compartment - see REFRIGERATOR-FREEZER, MECHANICAL, FOOD. Also excludes DISPLAY CASE, MECHANICALLY REFRIGERATED; FREEZER, MECHANICAL, FOOD; REFRIGERATION UNIT, MECHANICAL; REFRIGERATOR, PREFABRICATED.

Question 29

What is a Biologicals Solid State Refrigerator?

Accepted Answer

A Biologicals Solid State Refrigerator (REFRIGERATOR,SOLID STATE,BIOLOGICALS) is an electrically operated, thermoelectrically refrigerated cabinet with compartments and racks specially designed for storing and transporting blood and blood products. Excludes REFRIGERATOR, MECHANICAL, BIOLOGICALS; REFRIGERATOR, MECHANICAL, BACTERIOLOGICAL; REFRIGERATOR-FREEZER, MECHANICAL, FOOD; and REFRIGERATOR, MECHANICAL, FOOD.

Question 30

What is a Prefabricated Freezer?

Accepted Answer

A Prefabricated Freezer (FREEZER,PREFABRICATED) is a sectional, demountable insulating cabinet or inclosure which, when assembled and equipped with freezing unit, forms a storage space(s) with freezing and sub-freezing tempertures. Refrigerating unit may or may not be included. Excludes REFRIGERATOR FREEZER, MECHANICAL, FOOD; and FREEZER, MECHANICAL, FOOD.

Question 31

What is an Electrical-Electronic Equipment Control Panel?

Accepted Answer

An Electrical-Electronic Equipment Control Panel (PANEL,CONTROL,ELECTRICAL-ELECTRONIC EQUIPMENT) is a panel, upon which are mounted such items as indicator lights, meters, relays, switches and the like, which is specifically designed for the purpose of controlling the operation of electrical and electronic equipment. See also PANEL, TEST, ELECTRICAL.

Question 32

What is a Cold Chest?

Accepted Answer

A Cold Chest is a portable item designed for cooling drinks and food products.  Cooling is by an electrically driven refrigeration unit normally located in the lid.

Question 33

What is a Battery Charger Adapter?

Accepted Answer

A Battery Charger Adapter (ADAPTER,BATTERY CHARGER) is an adapter designed to enable the electric connection of a CHARGER, BATTERY (00480) with one or more BATTERY, STORAGE (00013) of identical or different construction.

Question 34

What is a Biologicals Mechanical Refrigerator-Freezer?

Accepted Answer

A Biologicals Mechanical Refrigerator-Freezer (REFRIGERATOR-FREEZER,MECHANICAL,BIOLOGICALS) is a mechanically refrigerated cabinet with divided areas of racks or drawers that will maintain optimum storage temperatures for surgical and laboratory specimens, samples, serums, medicines and reagents. There are areas for frozen and non-frozen items. Facilities for twenty-four hour monitoring of storage temperature may be provided. For items without freezer section, see REFRIGERATOR, MECHANICAL, BIOLOGICALS. Excludes REFRIGERATOR-FREEZER, MECHANICAL, FOOD; REFRIGERATOR, MECHANICAL, BIOLOGICAL; REFRIGERATOR, MECHANICAL, BACTERIOLOGICAL; AND REFRIGERATOR, MECHANICAL, FOOD.

Question 35

What is a Pipe Freezer?

Accepted Answer

A Pipe Freezer (FREEZER,PIPE) is a portable item designed for freezing a liquid in a selected section of a pipe so as to form an ice plug which isolates the section of pipe in the system. Thus, it allows repairs or modifications to be made without draining down or shutting off the system.

Question 36

What is an Air Conditioner?

Accepted Answer

An Air Conditioner is a self-contained unit designed to perform the functions of cooling, circulating, filtering, dehumidifying or otherwise processing of air. It may also be equipped to perform the additional functions of heating or humidifying. It may be the air cycle type used in aircraft or the vapor cycle type applicable to ground or aerospace equipment. Excludes ENVIRONMENTAL CONTROL UNIT, PERSONNEL, SELF-CONTAINED.

Question 37

What is an Evaporative Air Cooler?

Accepted Answer

An Evaporative Air Cooler (COOLER,AIR,EVAPORATIVE) is a self-contained unit designed to perform the functions of cooling, filtering and circulating fresh air. In operation, fresh air is drawn into the cooler from an outside source, through water evaporating filter pads, by a power driven fan. The temperature of the air is reduced by the principle of evaporative cooling. The air is then forced through a discharge opening. May be connected to an air duct system. See also AIR CONDITIONER.

Question 38

What is an Environmental Control System?

Accepted Answer

An Environmental Control System is a packaged system of two or more AIR CONDITIONER that provides reliable heating and cooling to protect electronic equipment.  It includes electronic sensing equipment to automatically transfer power from one AIR CONDITIONER to the other and control functioning of the AIR CONDITIONER units.  It may require external power to operate.

Question 39

What is an Air Conditioning Equipment Installation Kit?

Accepted Answer

An Air Conditioning Equipment Installation Kit (INSTALLATION KIT,AIR CONDITIONING EQUIPMENT) is a collection of items which is designed to install air conditioning equipment.

Question 40

What is a Microclimate Cooling Unit?

Accepted Answer

A Microclimate Cooling Unit (COOLING UNIT,MICROCLIMATE) is this item is specifically designed to prevent heat stress by soldiers burdened by the use of body armor or other protective clothing. May be used in vehicles or aircraft.

Question 41

What is a Tubeaxial Fan?

Accepted Answer

A Tubeaxial Fan (FAN,TUBEAXIAL) is a nonpositive displacement mechanical device without guide vanes and having an axial fan impeller inclosed within a tubular housing. It is designed primarily for duct installation to move air or gas axially over a wide range of volumes at medium pressures.

Question 42

What is a Vaneaxial Fan?

Accepted Answer

A Vaneaxial Fan (FAN,VANEAXIAL) is a nonpositive displacement mechanical device with guide vanes and having an axial fan impeller(s) inclosed within a tubular housing. It is designed primarily for duct installation to move air or gas axially over a wide range of volumes and pressures.

Question 43

What is a Centrifugal Fan?

Accepted Answer

A Centrifugal Fan (FAN,CENTRIFUGAL) is a nonpositive displacement mechanical device having a centrifugal fan impeller inclosed within a housing. It is designed to move air or gas over a wide range of volumes and pressures. The air or gas is drawn in axially and discharged radially or drawn in radially and discharged axially by centrifugal force through an outlet in the housing.

Question 44

What is a Ventilating Fan?

Accepted Answer

A Ventilating Fan (FAN,VENTILATING) is a nonpositive displacement mechanical device having either an axial or centrifugal fan impeller. It is designed to move free air or gas from indoors to outdoors or vice versa over a wide range of volumes at low pressures. It is supported by a ring, plate, or shroud or may be inclosed in a housing. It is designed for installation in a window, roof or wall opening, or the like.

Question 45

What is an Axial Fan Impeller?

Accepted Answer

An Axial Fan Impeller (IMPELLER,FAN,AXIAL) is an item with blades or vanes equally spaced radially around the periphery of a hub, flange, or rotor. It is the rotating part of an axial type fan, electric motor, generator, and the like which creates a flow of air or gas parallel to the axis of rotation.

Question 46

What is a Centrifugal Fan Impeller?

Accepted Answer

A Centrifugal Fan Impeller (IMPELLER,FAN,CENTRIFUGAL) is an item with blades, vanes, or paddles equally spaced radially or horizontally around the periphery of a hub, rotor, or wheel. It is the rotating part of a centrifugal fan, electric motor, generator and the like which creates a flow of air or gas perpendicular to the axis of rotation.

Question 47

What is an Electric Fan Cover?

Accepted Answer

An Electric Fan Cover (COVER,ELECTRIC FAN) is an item generally made of cloth or other flexible material, designed to fit over an electric fan while not in operation.

Question 48

What is an Exhaust Disposal Kit?

Accepted Answer

An Exhaust Disposal Kit is a collection of items such as blower(s) or fan(s), duct(s), hose(s), pipe(s), switches and the necessary mounting hardware specifically designed to be mounted in a closed structure. The item attaches to the exhaust outlet of a combustion engine, machinery, or the like, and forces exhaust gases or polluted air through a closed system to the atmosphere, thereby preventing air pollution within the structure.

Question 49

What is a Circulating Fan?

Accepted Answer

A Circulating Fan (FAN,CIRCULATING) is a nonpositive displacement mechanical device having an axial fan impeller with or without a protective enclosure. It is designed to circulate air under free-airflow conditions, and may be equipped with a baffle(s) to deflect the air radially. It may be suspended from the ceiling, attached to the wall, or stand on a horizontal surface.

Question 50

What is a Crossflow Fan?

Accepted Answer

A Crossflow Fan (FAN,CROSSFLOW) is a non-positive displacement mechanical device having a radial fan inpeller inclosed within a drum type housing. It is designed to move free-flowing air over a wide range of volumes at low pressures. The direction of air flow for both intake and outlet is perpendicular to the axis of the impeller. It is designed to be built into ceilings, walls, control cabinets and the like.INC 35372 CANCELLED ON 021903. It was an (All Except USA) but changed to general use and REINSTATED on 01052018.

Question 51

What is a Fan Impeller Guard?

Accepted Answer

A Fan Impeller Guard (GUARD,FAN IMPELLER) is a safety device specifically designed to protect or shield a fan impeller from physical damage and/or prevent possible injury to personnel while the fan is in operation. It may consist of a wireguard, screen, grille and the like. Excludes COVER, ELECTRIC FAN and GRILLE, METAL.

Question 52

What is an Exhaust Blower?

Accepted Answer

An Exhaust Blower (BLOWER,EXHAUST) is a device consisting of a structural frame, fan and motor, with a stem or nozzle. It is intended for purging aircraft fuel tanks while internal maintenance is being performed.

Question 53

What is a Workstation Exhaust Unit?

Accepted Answer

A Workstation Exhaust Unit (EXHAUST UNIT,WORKSTATION) is an item designed to remove dust, fumes, smoke, and particles from directly above a work station.  It includes a housing, particle seperator, special filter, electric motor, fan or impeller, all necessary hose and any mounting gear.

Question 54

What is an Axial Fan Shroud?

Accepted Answer

An Axial Fan Shroud (SHROUD,FAN,AXIAL) is an item designed to enclose an axial impeller both for protection and to direct airflow/circulation in a specific direction.

Question 55

What is a Centrifugal Fan Housing?

Accepted Answer

A Centrifugal Fan Housing (HOUSING,CENTRIFUGAL FAN) is the outer casing of a centrifugal fan designed to inclose an impeller. It is usually of one piece construction containing inlet(s) and outlets.

Question 56

What is an Air Barrier Blower?

Accepted Answer

An Air Barrier Blower (BLOWER,AIR BARRIER) is a nonpositive displacement mechanical device having an axial or centrifugal fan impeller inclosed within a housing with an exhaust nozzle and baffles. It is designed to move air across an open entrance to provide an air barrier to minimize heat loss or gain and repel flying insects. It may include a means of heating the exhaustible air.

Question 57

What is an Air Circulating Equipment Installation Kit?

Accepted Answer

An Air Circulating Equipment Installation Kit (INSTALLATION KIT,AIR CIRCULATING EQUIPMENT) is a collection of items which is designed to install air circulating equipment.

Question 58

What is a Tubeaxial Fan Assembly?

Accepted Answer

A Tubeaxial Fan Assembly (FAN ASSEMBLY,TUBEAXIAL) is a group of items that consist of two or more FAN,TUBEAXIAL on a common mounting, one or more switches, and electrical wiring. It may include protective grilles, a thermostatic switch, a power cable, a grounding cable, a cover or the necessary mounting hardware.

Question 59

What is a Duct Housing?

Accepted Answer

A Duct Housing (HOUSING,DUCT) is a housing of any shape and material designed to mate with other items to allow ventilation and airflow. Primarily used for heating/cooling and HVAC systems.

Question 60

What is a Liquid Cooling Tower?

Accepted Answer

A Liquid Cooling Tower (COOLING TOWER,LIQUID) is a device constructed of wood, or metal, or metal and wood, used to reduce the temperature of water, or other liquids, by the evaporative effect of air circulated through the structure. Excludes evaporative condenser.

Question 61

What is a Metal Grille?

Accepted Answer

A Metal Grille (GRILLE,METAL) is a metal frame enclosing a metal core which is constructed of perforated sheet metal, bars, core material, or the like. It is used to form an openwork barrier or screen to allow the passage of a maximum quantity of air and/or light, but excluding the passage of foreign objects. Excludes GUARD, FAN IMPELLER.

Question 62

What is a Walk-In Refrigerator Door?

Accepted Answer

A Walk-In Refrigerator Door (DOOR,WALK-IN REFRIGERATOR) is a prefabricated unit consisting of one or more insulated sections, a frame, a sill, and necessary hardware designed for installation in a refrigerated warehouse or cold storage plant. It may have additional batten doors to facilitate entrance and exit while retarding warm air currents.

Question 63

What is an Air Conditioning Filter Element?

Accepted Answer

An Air Conditioning Filter Element (FILTER ELEMENT,AIR CONDITIONING) is a replaceable device designed to remove dust, pollen or other foreign matter from the air passing through it. The removal of particles is accomplished by porous fibrous or shredded material (metallic or nonmetallic) which is loosely woven or matted and confined in a frame or retained between perforated sheets of firmer material. It is designed to fit into air conditioners, ventilation systems and hot air furnaces. It may have facilities for radio frequency/electromagnetic interference shielding. The filter may be cleaned by the use of compressed air, blown through the filter element, or by using water and a suitable detergent for cleaning purposes which would extend the life of the filter.

Question 64

What is a Duct Type Air Cooling Coil?

Accepted Answer

A Duct Type Air Cooling Coil (COOLING COIL,AIR,DUCT TYPE) is a unit consisting of parallel tubes joined together by a header on headers, utilizing fins to increase the surface area. designed to be used in conjunction with a duct in which a blower or fan is provided to circulate air through the unit to perform the function of cooling, heating , ventilating and/or dehumidifying (HVAC).

Refrigeration, Air Conditioning, and Air Circulating Equipment

Federal Supply Group (FSG): 41

NATO Supply Classification Group (NSG): 41

NSN Format for Refrigeration, Air Conditioning, and Air Circulating Equipment

Additional Information for Refrigeration, Air Conditioning, and Air Circulating Equipment

Understanding NATO Supply Group 41: Refrigeration, Air Conditioning, and Air Circulating Equipment

Refrigeration Equipment

Air Conditioning Equipment

Fans, Air Circulators, and Blower Equipment

Refrigeration and Air Conditioning Components

Vortex Tubes and Other Related Cooling Tubes

Frequently Asked Questions (FAQ) for Federal Supply Group 41

Top 20 Supply Items Included in Federal Supply Group 41

Stock Items for FSG 41 Page 22 of 349