Fans, Air Circulators, and Blower Equipment

Federal Supply Class (FSC): 4140

NATO Supply Classification Class (NSC): 4140

Group Description: Refrigeration, Air Conditioning, and Air Circulating Equipment

Federal Supply Group (FSG): 41

NATO Supply Classification Group (NSG): 41

Page 17 of 125

NSN Format for Fans, Air Circulators, and Blower Equipment

4140XXXXXXXXX
Group
FSG
ClassNCBIdentifier
FSC
Federal Supply Class
NIIN
NSN
FSC 4140 Fans, Air Circulators, and Blower Equipment
FSC 4140 Fans, Air Circulators, and Blower Equipment

Includes Wall Type Fans; Pedestal Type Fans; Household Type and Attic Type Exhaust Fans; Floor Fans; Forged Draft Exhaust and Disposal Kits; Fans, Air Circulators, and Blower Equipment, whether designated as "industrial" or "nonindustrial" by application and/or use.

Excludes Combination Heater-Fans (FSC 4520).

Additional Information for Fans, Air Circulators, and Blower Equipment Additional Information for Fans, Air Circulators, and Blower Equipment

NATO Supply Class 4140 is a classification within NATO Supply Group 41, which is dedicated to Refrigeration, Air Conditioning, and Air Circulating Equipment.

Specifically, Class 4140 focuses on Fans, Air Circulators, and Blower Equipment. This class includes various types of equipment used for air circulation and ventilation purposes.

Fans are devices that create airflow by rotating blades or impellers. They are commonly used in HVAC systems, industrial settings, and residential applications to circulate air and maintain proper ventilation.

Air circulators, also known as air movers or air amplifiers, are designed to move large volumes of air in a specific direction. They are often used in industrial environments to improve air circulation, cool machinery, or remove fumes and odors.

Blower equipment refers to devices that generate a high-velocity airflow by using centrifugal force or positive displacement. They are commonly used in HVAC systems, industrial processes, and pneumatic conveying systems to move air or other gases.

NATO Supply Class 4140 covers a wide range of equipment, including various types and sizes of fans, air circulators, and blowers. These devices can be powered by electricity, gas, or other energy sources, depending on their intended application.

It is important to note that the NATO Supply Classification (NSC) system is used by NATO member countries to standardize the identification and classification of military and non-military items. The NSC helps facilitate procurement, logistics, and inventory management within NATO and its member nations.

NSN by Country NSN by Country

Frequently Asked Questions(FAQ) for Federal Supply Class 4140 Frequently Asked Questions(FAQ) for Federal Supply Class 4140

What is Federal Supply Class 4140?
FSC 4140 is the Federal Supply Class(formally known as NATO Supply Classification Class NSC 4140) in the USA for supply items codified in the category of Fans, Air Circulators, and Blower Equipment.
What is NATO Supply Classification Class 4140?
NSC 4140 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 4140 in the USA) for supply items codified in the category of Fans, Air Circulators, and Blower Equipment.
Which Federal Supply Group is FSC 4140 in?
FSC 4140 is in Federal Supply Group(FSG) 41 which contains .
Which NATO Supply Classification Group is NSC 4140 in?
NSC 4140 is in NATO Supply Classification Group(NSG) 41 which contains .

Supply Items Included in Federal Supply Class 4140 Supply Items Included in Federal Supply Class 4140

What is a Tubeaxial Fan? 5904 Items
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.
What is a Vaneaxial Fan? 4052 Items
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.
What is a Centrifugal Fan? 7326 Items
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.
What is a Ventilating Fan? 4055 Items
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.
What is an Axial Fan Impeller? 3877 Items
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.
What is a Centrifugal Fan Impeller? 3102 Items
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.
What is an Electric Fan Cover? 108 Items
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.
What is an Exhaust Disposal Kit? 96 Items
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.
What is a Circulating Fan? 3184 Items
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.
What is a Crossflow Fan? 66 Items
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.
What is a Fan Impeller Guard? 1403 Items
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.
Fan Assembly,Centrifugal 1153 Items
What is an Exhaust Blower? 145 Items
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.
Nozzle,Blower 181 Items
Modification Kit,Air Circulating Equipment 66 Items
What is a Workstation Exhaust Unit? 92 Items
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.
What is an Axial Fan Shroud? 187 Items
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.
Cover,Ventilatory 326 Items
What is a Centrifugal Fan Housing? 691 Items
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.
What is an Air Barrier Blower? 295 Items
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.
What is an Air Circulating Equipment Installation Kit? 22 Items
An Air Circulating Equipment Installation Kit (INSTALLATION KIT,AIR CIRCULATING EQUIPMENT) is a collection of items which is designed to install air circulating equipment.
What is a Tubeaxial Fan Assembly? 196 Items
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.

Stock Items From Supply Class 4140 Stock Items From Supply Class 4140 Page 17of 125

008686823
2020B66G02
RNCC: 3 | RNVC: 2
D13164-19-1
RNCC: 3 | RNVC: 2
13217E0032
RNCC: 3 | RNVC: 2
52059-2
RNCC: 5 | RNVC: 2
AD610-325-2CCW
RNCC: 5 | RNVC: 9
AD610-325-2CCW
RNCC: 5 | RNVC: 9
52059-2
RNCC: 5 | RNVC: 9
52059-2
RNCC: 5 | RNVC: 9
008667015
HVU
RNCC: 3 | RNVC: 2
008663460
BC2910F38
RNCC: 3 | RNVC: 2
026621
RNCC: 3 | RNVC: 2
NF-NS6501-R-376CF
RNCC: 5 | RNVC: 2
14039
RNCC: 5 | RNVC: 9
482220-1
RNCC: 5 | RNVC: 9
NFNS6501R376CS
RNCC: 5 | RNVC: 9
482220-1
RNCC: 7 | RNVC: 2
008661989
167185-10
RNCC: 3 | RNVC: 2
008651535
166154
RNCC: 3 | RNVC: 9
166154
RNCC: 5 | RNVC: 2
008533603
9643-2
RNCC: 3 | RNVC: 2
9643-2
RNCC: 5 | RNVC: 9
8264-500
RNCC: 5 | RNVC: 9
008526237
60-400
RNCC: 3 | RNVC: 1
008513461
CD12E5
RNCC: 3 | RNVC: 2
008505237
A019546
RNCC: 3 | RNVC: 2
9052454
RNCC: 5 | RNVC: 9
71823-61X3PC39
RNCC: 5 | RNVC: 9
008497868
3158BC40-S2
RNCC: 3 | RNVC: 9
R2650-662GRP1
RNCC: 5 | RNVC: 9
R2650-662GRP1
RNCC: 5 | RNVC: 9
H2650-1020REV C
RNCC: 5 | RNVC: 9
R2650-662GP1
RNCC: 5 | RNVC: 9
H2650-1020REV C
RNCC: 5 | RNVC: 9
R2650-662GP1
RNCC: 5 | RNVC: 9
008454936
BL124
RNCC: 3 | RNVC: 2
00606296004588
RNCC: 5 | RNVC: 1
008438526
94A29
RNCC: 3 | RNVC: 2
008422755
73A1-2
RNCC: 3 | RNVC: 2
472252-1
RNCC: 5 | RNVC: 2
472252-1
RNCC: 5 | RNVC: 2
008402076
A0-3392
RNCC: 3 | RNVC: 2
6015075
RNCC: 5 | RNVC: 2
6659429
RNCC: 5 | RNVC: 2
6562039
RNCC: 5 | RNVC: 2
6659429
RNCC: 5 | RNVC: 2
6659561
RNCC: 5 | RNVC: 2
6553649
RNCC: 5 | RNVC: 2
6015075
RNCC: 5 | RNVC: 2
6553649
RNCC: 5 | RNVC: 2
6562039
RNCC: 5 | RNVC: 2
008384510
MFB406-200
RNCC: 3 | RNVC: 2
008320455
385054-1
RNCC: 3 | RNVC: 2
385054-1
RNCC: 5 | RNVC: 9
008311546
A0-28293
RNCC: 3 | RNVC: 2
717401-6
RNCC: 5 | RNVC: 9
008309515
134D1050
RNCC: 3 | RNVC: 2
008271821
2617706
RNCC: 1 | RNVC: 2
VENTURIFAN
RNCC: 3 | RNVC: 2
VENTURIFAN
RNCC: 5 | RNVC: 9
008269031
B350-19-25
RNCC: 3 | RNVC: 2
B350-25
RNCC: 3 | RNVC: 2
F33657-70-C-0588
RNCC: 5 | RNVC: 1
008259403
122G
RNCC: 3 | RNVC: 2
122GCCWTHCBX100BIL
RNCC: 5 | RNVC: 2
HD799FRC141
RNCC: 5 | RNVC: 2
009-1364-00
RNCC: 5 | RNVC: 9
008258545
2220C3-8-2A
RNCC: 3 | RNVC: 2
AA326-128-1 5/16CW
RNCC: 5 | RNVC: 2