Centrifugals, Separators, and Pressure and Vacuum Filters from United States (US)

Question 1

What is Federal Supply Class 4330?

Accepted Answer

FSC 4330 is the Federal Supply Class (formally known as NATO Supply Classification Class NSC 4330) in the USA for supply items codified in the category of Centrifugals, Separators, and Pressure and Vacuum Filters.

Question 2

What is NATO Supply Classification Class 4330?

Accepted Answer

NSC 4330 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 4330 in the USA) for supply items codified in the category of Centrifugals, Separators, and Pressure and Vacuum Filters.

Question 3

Which Federal Supply Group is FSC 4330 in?

Accepted Answer

FSC 4330 is in Federal Supply Group (FSG) 43 which contains Pumps and Compressors.

Question 4

Which NATO Supply Classification Group is NSC 4330 in?

Accepted Answer

NSC 4330is in NATO Supply Classification Group (NSG) 43 which contains Pumps and Compressors.

Question 5

What is a Pressure Fluid Filter Unit?

Accepted Answer

A Pressure Fluid Filter Unit (FILTER UNIT,FLUID,PRESSURE) is a machine designed to remove foreign particles and/or impurities from a fluid which is passed through an element of porous material or thin closely spaced disks. It includes a source of power and a circulating pump for forcing the fluid through the system under pressure.

Question 6

What is an Oil Separator?

Accepted Answer

An Oil Separator (SEPARATOR,OIL) is an enclosed tank or vessel specifically designed to remove harmful solids, insoluble sludge and water by the force of gravity from continuous flow of contaminated oil. Exclude settling tanks.

Question 7

What is an Oil Centrifugal Purifier?

Accepted Answer

An Oil Centrifugal Purifier (PURIFIER,CENTRIFUGAL,OIL) is a mechanical device containing a cylindrical vessel or bowl which rotates on its axis at a high rate of speed. Contaminated oil is injected under pressure and by means of centrifugal force the harmful solids, insoluble sludge and water are removed.

Question 8

What is a Liquid Fuel Water Separator?

Accepted Answer

A Liquid Fuel Water Separator (SEPARATOR,WATER,LIQUID FUEL) is a self-contained unit designed to remove water from liquid fuel products. It usually consists of a tank with a removable head, inlet and outlet connections, water accumulator sump(s), water separating media, and necessary controls. Excludes FILTER-SEPARATOR, LIQUID FUEL.

Question 9

What is a Diesel Fuel Oil Strainer Assembly?

Accepted Answer

A Diesel Fuel Oil Strainer Assembly (STRAINER ASSEMBLY,DIESEL FUEL OIL) is a group of related items consisting of a double compartmented steel shell, gages and interconnecting piping. The shell contains metallic strainer elements equipped with cleaning device, inlet and outlet connection(s). The assembly is used to remove solid contaminates from diesel fuel oil, prior to a filtering process, in a bulk fuel clarification system. Excludes STRAINER, SEDIMENT.

Question 10

What is a Liquid Fuel Filter-Separator?

Accepted Answer

A Liquid Fuel Filter-Separator (FILTER-SEPARATOR,LIQUID FUEL) is an item designed to remove water and solid particulates from contaminated liquid fuels. It consists primarily of a tank with a removable head or a pressure vessel containing electrodes and inlet connections, filtering elements, and may contain water accumulator sump(s), alternating electric fields, necessary flow controls, gages, and accessories. It is used in military aircraft and vehicular fueling and in military pipeline systems. Excludes SEPARATOR, WATER, LIQUID FUEL; and FILTER-SEPARATOR, LIQUID FUEL, TRAILER MOUNTED.

Question 11

What is a Fluid Filter Cover?

Accepted Answer

A Fluid Filter Cover (COVER,FLUID FILTER) is a rigid item of various shapes designed as a component of a fluid filter, acting as the cover and retaining the filter element in place. The item does not have an inlet or outlet connection. It is fastened onto the FILTER BODY, FLUID by means of clamps or bolts. For items with inlet and/or outlet connections, see HEAD, FLUID FILTER.

Question 12

What is a Fluid Filter Head?

Accepted Answer

A Fluid Filter Head (HEAD,FLUID FILTER) is a component of a fluid filter designed to contain the inlet and/or outlet ports of the filter. It acts as a cover and attaches to the fluid filter body or mounts directly to an integral cavity in an engine, manifold, casing, or the like. The item may include relief, check, by-pass valves, and/or fluid filter element(s). It may have means for supporting the filter element(s), and means for mounting the filter. Excludes HEAD, SEDIMENT STRAINER and COVER, FLUID FILTER.

Question 13

What is a Fluid Filter Body?

Accepted Answer

A Fluid Filter Body (FILTER BODY,FLUID) is a component of a FILTER, FLUID designed to contain the FILTER ELEMENT, FLUID and attach to the HEAD, FLUID FILTER or the COVER, ACCESS. It may have inlet and/or outlet connections, means for mounting a drain plug(s), check, relief and or by-pass valves. Excludes BOWL, SEDIMENT.See also STRAINER BODY, SEDIMENT.

Question 14

What is a Fluid Pressure Filter Parts Kit?

Accepted Answer

A Fluid Pressure Filter Parts Kit (PARTS KIT,FLUID PRESSURE FILTER) is a parts kit used in servicing a FILTER, FLUID PRESSURE. It may contain such items as filter element(s), gasket(s), washer(s), preformed packing, bleeder valve(s), drain cock(s), and the like.

Question 15

What is a Fluid Filter?

Accepted Answer

A Fluid Filter (FILTER,FLUID) is a filter having inlet and outlet connections and designed to be connected in a pipe, tube or hose line. For spin-on, base-mounted filtering devices with integral outer casings, see FILTER ELEMENT, FLUID. Excludes AIR CONDITIONER.

Question 16

What is a Fluid Filter Assembly?

Accepted Answer

A Fluid Filter Assembly (FILTER ASSEMBLY,FLUID) is two or more FILTER, FLUID on a common mounting or mounted on each other. They may be separable and operate in series, parallel, or individually.

Question 17

What is a Fluid Filter Element?

Accepted Answer

A Fluid Filter Element (FILTER ELEMENT,FLUID) is a replaceable device designed to remove solid particles from fluids ranging in density from heavy liquids to gases. The removal of particles is accomplished by porous material (metallic or non-metallic), stacked disks, wound wire, or the like, constructed so the fluid can flow through the device while the solid particles are retained. It may be designed to fit into a FILTER, FLUID (or similar cavity), or it may have an integral outer casing and mounting facilities and be designed to connect directly to an engine, compressor, or the like. The degree of removal of particles must be nominally rated at less than 50 microns or absolutely rated at less than 75 microns. Excludes FILTER ELEMENT, AIR CONDITIONING. See also STRAINER ELEMENT, SEDIMENT.

Question 18

What is a Sediment Bowl?

Accepted Answer

A Sediment Bowl (BOWL,SEDIMENT) is a removable concave vessel designed as a component part of a carburetor, cam-actuated fuel pump, sediment strainer, water separator, and the like for collecting the sediment from a fluid. The item may have a pressure relief valve, drain plug, or drain valve. Excludes: Bowl (as modified); FILTER BODY, FLUID; AND STRAINER BODY, SEDIMENT.

Question 19

What is an Air Filter Parts Kit?

Accepted Answer

An Air Filter Parts Kit (PARTS KIT,AIR FILTER) is a collection of items used to repair/replace air filters. May include mounting hardware. Excludes PARTS KIT (1),BRAKE CHAMBER.

Question 20

What is a Separator Parts Kit?

Accepted Answer

A Separator Parts Kit (PARTS KIT,SEPARATOR) is a parts kit used to repair an air-oil separator or air-water separator.

Question 21

What is an Exhaust-Intake Pneumatic Muffler?

Accepted Answer

An Exhaust-Intake Pneumatic Muffler (PNEUMATIC MUFFLER,EXHAUST-INTAKE) is a noise control/filtering device of various sizes, shapes, designs, materials (metallic/non-metallic) and varied mounting configurations used to diffuse air blasts, lowers air velocity, reduce noise, filtration of airborne moisture and/or dust contamination, pressure equalization, speed control for air operated devices. For vehicular application see MUFFLER, (as modified).

Question 22

What is a Filter Mounting Bracket?

Accepted Answer

A Filter Mounting Bracket (BRACKET,FILTER MOUNTING) is a rigid item of various shapes designed to aligin or restain filters or filtering elements used in fluid&#47;air purification systems.

Question 23

What is an Oil Recovery Skimmer?

Accepted Answer

An Oil Recovery Skimmer (SKIMMER,OIL RECOVERY) is an item designed to remove a floating element such as, oil, fuel, from water.

Question 24

What is a Particulate Removal Fluid Filter?

Accepted Answer

A Particulate Removal Fluid Filter (FILTER,FLUID,PARTICULATE REMOVAL) is an item designed to remove foreign particles from a fluid by means of an element made of porous material or thin closely spaced disks.  Do not use if a more specific name applies.

Question 25

What is a Fluid Filter Adapter?

Accepted Answer

A Fluid Filter Adapter (ADAPTER,FLUID FILTER) is an item which attaches the filtration device, such as the element, to either the filter head, another element, or directly to a media line connection.  Do not use if a more specific name applies.

Question 26

What is a Centrifugal Purifier Service Kit?

Accepted Answer

A Centrifugal Purifier Service Kit (SERVICE KIT,CENTRIFUGAL PURIFIER) is a group of general maintenance items of a deteriorating nature required for periodic servicing of a centrifugal purifier.  Items may consist of retaining rings, packing, seals, cock plug, and the like.

Question 27

What is a Pumps-Compressors Filter Warning Indicator?

Accepted Answer

A Pumps-Compressors Filter Warning Indicator (INDICATOR,FILTER WARNING,PUMPS-COMPRESSORS) is a mechanical indicator used on pumps and compressors for dry or liquid type cleaners to provide a visual warning signal when a filter needs cleaning or changing.

Question 28

What is a Fluid Flow Control Ring?

Accepted Answer

A Fluid Flow Control Ring (RING,CONTROL,FLUID FLOW) is an item used in a PURIFIER, CENTRIFUGAL, OIL to prevent the flow of contaminated solids and fluids from discharging with the purified fluids.

Question 29

What is a Fluid Filtering Disk?

Accepted Answer

A Fluid Filtering Disk (FILTERING DISK,FLUID) is a flat, circular, replaceable device, with or without a centrally located hole, designed to remove solid particles from fluids ranging in density from heavy liquids to gases. The removal of particles is accomplished by porous, fibrous or shredded material (metallic or non-metallic) which retains the solid particles in the fluid passing through it. It may be encased and used as a single item or stacked to form a fluid filter element. Excludes DISK, SOLID, PLAIN; DIAPHRAGM (as modified); STRAINER ELEMENT, SEDIMENT; and WIRE FABRIC.

Question 30

What is a Centrifugals-Separators-Filters Filter Warning Indicator?

Accepted Answer

A Centrifugals-Separators-Filters Filter Warning Indicator (INDICATOR,FILTER WARNING,CENTRIFUGALS-SEPARATORS-FILTERS) is a mechanical indicator used on centrifugals, separators and filters for dry or liquid type cleaners to provide a visual warning signal when a filter element needs cleaning or changing.

Question 31

What is a Liquid Fuel Filter-Separator Coalescer Filter Element?

Accepted Answer

A Liquid Fuel Filter-Separator Coalescer Filter Element (FILTER ELEMENT,COALESCER,FILTER-SEPARATOR,LIQUID FUEL) is a replaceable device of a FILTER-SEPARATOR, LIQUID FUEL designed to remove solid particles from liquid fuels and gather dissolved water into droplets.

Centrifugals, Separators, and Pressure and Vacuum Filters - United States (US)

Federal Supply Class (FSC): 4330

NATO Supply Classification Class (NSC): 4330

Federal Supply Group (FSG): 43 Pumps and Compressors

NATO Supply Classification Group (NSG): 43 Pumps and Compressors

Items Managed by United States (US) - NCB is 00 to 09

Page 8 of 52

NSN Format for Centrifugals, Separators, and Pressure and Vacuum Filters
Codified by United States

Frequently Asked Questions(FAQ) for Federal Supply Class 4330

Supply Items Included in Federal Supply Class 4330

Stock Items From Supply Class 4330 Page 8 of 52