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 22 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 22of 125

005871615
25015-72
RNCC: 3 | RNVC: 2
G25207
RNCC: 5 | RNVC: 9
005869125
03820019-001
RNCC: 3 | RNVC: 2
03820019-001
RNCC: 5 | RNVC: 9
005858404
207200
RNCC: 3 | RNVC: 2
207200
RNCC: 5 | RNVC: 9
005856306
821889
RNCC: 3 | RNVC: 2
U50752D500
RNCC: 3 | RNVC: 9
005852449
841B405
RNCC: 3 | RNVC: 2
005852377
2650-71GP2
RNCC: 3 | RNVC: 2
3295495GP2
RNCC: 5 | RNVC: 2
2650-71GP2
RNCC: 5 | RNVC: 9
005773509
A0-19126-03
RNCC: 3 | RNVC: 2
005706545
1580682REFERENCEAL11
RNCC: 3 | RNVC: 9
005663896
294
RNCC: 3 | RNVC: 9
005663883
16
RNCC: 3 | RNVC: 2
005663878
AY221
RNCC: 3 | RNVC: 9
005655834
2263251G1
RNCC: 3 | RNVC: 9
005655833
2261293
RNCC: 3 | RNVC: 9
005655826
3028364A
RNCC: 3 | RNVC: 9
005653748
80457
RNCC: 3 | RNVC: 9
80457
RNCC: 5 | RNVC: 9
005653749
E114
RNCC: 3 | RNVC: 2
005651038
BC2929V
RNCC: 3 | RNVC: 2
484111-1
RNCC: 5 | RNVC: 9
005643843
1232147
RNCC: 3 | RNVC: 2
005643845
3894662
RNCC: 3 | RNVC: 9
005643841
23124
RNCC: 3 | RNVC: 9
005643844
165531
RNCC: 3 | RNVC: 2
005643724
2261186
RNCC: 3 | RNVC: 9
2261186
RNCC: 5 | RNVC: 9
005643723
1594685
RNCC: 3 | RNVC: 9
1594685
RNCC: 5 | RNVC: 9
005643685
AY306
RNCC: 3 | RNVC: 9
005643694
SMR3-205
RNCC: 3 | RNVC: 9
005643686
2532988
RNCC: 3 | RNVC: 9
005643690
165496
RNCC: 3 | RNVC: 2
005643595
60561
RNCC: 3 | RNVC: 9
005643529
3198116
RNCC: 3 | RNVC: 9
005643489
21327
RNCC: 3 | RNVC: 9
005643490
21330
RNCC: 3 | RNVC: 9
005610407
7610645
RNCC: 3 | RNVC: 2
RAH137837
RNCC: 3 | RNVC: 2
22806
RNCC: 5 | RNVC: 9
005553555
KS802A94ASERIES
RNCC: 3 | RNVC: 2
KS802A329A
RNCC: 5 | RNVC: 2
005553265
B9HJB1-2CE
RNCC: 3 | RNVC: 2
005548768
C6D2D5CW
RNCC: 2 | RNVC: 2
005548767
C6D2W5CW
RNCC: 2 | RNVC: 2
005548224
A12A2W5
RNCC: 2 | RNVC: 2
MILF18953
RNCC: 4 | RNVC: 1
005548153
A4A4W5
RNCC: 2 | RNVC: 2
MILF18953
RNCC: 4 | RNVC: 1
005547696
60-151-1541500
RNCC: 3 | RNVC: 2
MILF18602
RNCC: 4 | RNVC: 1
60-151
RNCC: 5 | RNVC: 2
60-151 RH
RNCC: 5 | RNVC: 2
1541500
RNCC: 5 | RNVC: 2
005513147
119-0390-00
RNCC: 3 | RNVC: 9
MWS2107F-0-1
RNCC: 5 | RNVC: 9
005513146
AD508-216-2-2
RNCC: 3 | RNVC: 1
1EC32
RNCC: 5 | RNVC: 9
A2-13751
RNCC: 5 | RNVC: 9
005478916
2915146
RNCC: 3 | RNVC: 2
2915146
RNCC: 5 | RNVC: 9
005478891
1584303
RNCC: 3 | RNVC: 9
005478918
7503
RNCC: 3 | RNVC: 9
005478915
2262626
RNCC: 3 | RNVC: 2
2262626
RNCC: 5 | RNVC: 9
005478914
2915182
RNCC: 3 | RNVC: 2
2915182
RNCC: 5 | RNVC: 9
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1667
RNCC: 3 | RNVC: 9
005478913
2261194
RNCC: 3 | RNVC: 2
2261194
RNCC: 5 | RNVC: 9
005478888
2265347G3
RNCC: 3 | RNVC: 2
2265347G3
RNCC: 5 | RNVC: 9
005478893
2915103
RNCC: 3 | RNVC: 9
005478892
1707AFIG11
RNCC: 3 | RNVC: 9
005478890
6057
RNCC: 3 | RNVC: 9
005478889
1400
RNCC: 3 | RNVC: 9
005478887
1229420
RNCC: 3 | RNVC: 2
005475152
3130
RNCC: 3 | RNVC: 9
005475151
8023
RNCC: 3 | RNVC: 9
005475153
22049
RNCC: 3 | RNVC: 9
005475143
AQ30
RNCC: 3 | RNVC: 9
005475150
20903
RNCC: 3 | RNVC: 9
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1463
RNCC: 3 | RNVC: 9
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1454
RNCC: 3 | RNVC: 9
005475138
22404
RNCC: 3 | RNVC: 9
005475128
2267363REFN9
RNCC: 3 | RNVC: 9
005463544
AW13
RNCC: 3 | RNVC: 9
005463554
1580659
RNCC: 3 | RNVC: 9
005463547
2265371G1
RNCC: 3 | RNVC: 9
005463548
1523
RNCC: 3 | RNVC: 9
005463553
1580658
RNCC: 3 | RNVC: 9
005463549
24
RNCC: 3 | RNVC: 2
24
RNCC: 5 | RNVC: 9
005463546
14
RNCC: 3 | RNVC: 2
005463545
12
RNCC: 3 | RNVC: 2
005453408
26151-1
RNCC: 3 | RNVC: 2
KBBM43-1
RNCC: 5 | RNVC: 9
26151
RNCC: 5 | RNVC: 9
005418333
AS4654
RNCC: 3 | RNVC: 2
MSA9053
RNCC: 3 | RNVC: 2