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 10 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 10of 125

012088792
270457-001
RNCC: 3 | RNVC: 2
012080671
100370139
RNCC: 3 | RNVC: 2
012076646
70-13928-01
RNCC: 3 | RNVC: 2
7013928-01
RNCC: 5 | RNVC: 9
012064981
16500-1
RNCC: 3 | RNVC: 2
16500-1
RNCC: 5 | RNVC: 9
012060364
9020
RNCC: 3 | RNVC: 2
012058401
699M
RNCC: 3 | RNVC: 9
A19-345
RNCC: 5 | RNVC: 9
012058128
606511-1
RNCC: 3 | RNVC: 2
012054920
312990
RNCC: 3 | RNVC: 9
312990
RNCC: 5 | RNVC: 9
012050047
60590-G3
RNCC: 3 | RNVC: 2
6059-G3
RNCC: 5 | RNVC: 9
012045877
MMP92070-100
RNCC: 3 | RNVC: 9
MMP92070-100
RNCC: C | RNVC: 1
012045214
5033668-001
RNCC: 3 | RNVC: 2
012034087
MMP92054-100
RNCC: 3 | RNVC: 9
MMP92054-100
RNCC: C | RNVC: 1
012022137
11651X2
RNCC: 3 | RNVC: 2
012019219
H-2650-1540 GP 2
RNCC: 3 | RNVC: 2
1135BC39-S2
RNCC: 5 | RNVC: 2
1135BC39-S2
RNCC: 5 | RNVC: 9
H-2650-1540 GROUP 2
RNCC: 5 | RNVC: 9
012013264
76703-5-B
RNCC: 3 | RNVC: 2
87545 PIECE 12
RNCC: 5 | RNVC: 2
011985650
GYY-00208
RNCC: 3 | RNVC: 9
GYR-00208
RNCC: C | RNVC: 1
011977660
74344500
RNCC: 3 | RNVC: 2
74344500
RNCC: 5 | RNVC: 2
0023233100
RNCC: 5 | RNVC: 9
23233100
RNCC: 5 | RNVC: 9
011964224
SIZE-F-BVS3-4-230-1-60
RNCC: 3 | RNVC: 2
011954272
605517
RNCC: 3 | RNVC: 9
605517
RNCC: 5 | RNVC: 2
011953853
K2P877A
RNCC: 3 | RNVC: 2
011949949
12701740
RNCC: 3 | RNVC: 2
011946595
501253
RNCC: 3 | RNVC: 2
11571208
RNCC: 7 | RNVC: 2
011941867
09-162038-1
RNCC: 3 | RNVC: 2
011936529
50830
RNCC: 3 | RNVC: 2
011932598
BS2107F59H
RNCC: 3 | RNVC: 1
011932599
BS2107F510H
RNCC: 3 | RNVC: 1
011932597
HP3160-0418
RNCC: 3 | RNVC: 1
011931579
2111916
RNCC: 3 | RNVC: 2
2111916
RNCC: 5 | RNVC: 9
011909730
025440
RNCC: 3 | RNVC: 2
DRDS-AS 304 CW 107JF
RNCC: 5 | RNVC: 2
DRDS-AS304-107JSCW-12OCLOCK
RNCC: 5 | RNVC: 9
011908617
BQ01-0001
RNCC: 3 | RNVC: 9
011899680
STC0400820702
RNCC: 3 | RNVC: 2
STC0400820701(2)
RNCC: 5 | RNVC: 2
AMM9020209-02
RNCC: 5 | RNVC: 9
011892567
204-92083-1
RNCC: 3 | RNVC: 2
MX-10742/G
RNCC: 5 | RNVC: 1
011866450
2650-2350 GP 1
RNCC: 3 | RNVC: 2
4185AB52-S4
RNCC: 5 | RNVC: 2
2650-2350 GROUP 1
RNCC: 5 | RNVC: 9
4185AB52-S4
RNCC: 5 | RNVC: 9
011861883
MR64B7
RNCC: 3 | RNVC: 2
MA264-890045
RNCC: 5 | RNVC: 9
MR64B7
RNCC: 5 | RNVC: 9
011860310
8142642G6
RNCC: 3 | RNVC: 9
H3225073 PIECE 36
RNCC: 5 | RNVC: 2
011841290
933J476
RNCC: 3 | RNVC: 2
933J476
RNCC: 5 | RNVC: 9
011840436
3224310-00
RNCC: 3 | RNVC: 1
011840102
KBB150-102
RNCC: 3 | RNVC: 2
806911-4
RNCC: 5 | RNVC: 2
KIBB151-3
RNCC: 5 | RNVC: 9
011834140
3001654-2
RNCC: 3 | RNVC: 1
011832858
3218147
RNCC: 3 | RNVC: 1
011830917
2661278
RNCC: 3 | RNVC: 1
011825416
735000-43
RNCC: 3 | RNVC: 2
477712
RNCC: 5 | RNVC: 2
011810167
1389671-1
RNCC: 3 | RNVC: 2
FF12989 PIECE 2
RNCC: 5 | RNVC: 2
011808343
1389342-1
RNCC: 3 | RNVC: 2
FF12990 PIECE 2
RNCC: 5 | RNVC: 2
011802775
KC13149
RNCC: 3 | RNVC: 2
011802762
MUX2A1
RNCC: 3 | RNVC: 2
MUX2A1
RNCC: 5 | RNVC: 9
011794049
RSE-20
RNCC: 3 | RNVC: 1
SAF-T-FAN GARD-20 IN
RNCC: 5 | RNVC: 1
011780955
FBT2910B-6-2
RNCC: 3 | RNVC: 2
011769648
30050
RNCC: 3 | RNVC: 2
011739512
75444-11-RF
RNCC: 3 | RNVC: 2
75444-11-M
RNCC: 5 | RNVC: 9
011724035
5001-437
RNCC: 3 | RNVC: 2
535097001-2001
RNCC: 5 | RNVC: 9
011721256
18-0363-00
RNCC: 3 | RNVC: 2
FF100CW225
RNCC: C | RNVC: 1
011721257
12B037260100
RNCC: 3 | RNVC: 9
011708927
11462773
RNCC: 3 | RNVC: 2
011705864
12-14767-REVA
RNCC: 3 | RNVC: 2
011687530
SPARTANSL-1395YF
RNCC: 3 | RNVC: 2
011681020
1P8494
RNCC: 3 | RNVC: 2
1P8494
RNCC: 5 | RNVC: 2
011671939
LA01LA-022
RNCC: 3 | RNVC: 2
011669244
6248045-1
RNCC: 3 | RNVC: 2
011658809
51551
RNCC: 3 | RNVC: 2
M400168
RNCC: C | RNVC: 1
011656368
8500811-901
RNCC: 3 | RNVC: 2
011653771
40160-2
RNCC: 3 | RNVC: 2
12701948
RNCC: 7 | RNVC: 2
011653516
3301-BC
RNCC: 3 | RNVC: 9
5073694
RNCC: 7 | RNVC: 9
011644935
MA30CF
RNCC: 3 | RNVC: 2
8W-71091-REVISION-G
RNCC: 5 | RNVC: 2
8W-71091-REVISION-G
RNCC: 5 | RNVC: 9
MA30CF
RNCC: 5 | RNVC: 9
011639729
12-15113-00
RNCC: 3 | RNVC: 2
011624496
63E915191G1
RNCC: 3 | RNVC: 2
63E915191G1
RNCC: 5 | RNVC: 9
011616803
63E915199G1
RNCC: 3 | RNVC: 2
011608106
261511-000
RNCC: 3 | RNVC: 2
011606311
500702-3592
RNCC: 3 | RNVC: 2
500702-3592
RNCC: 5 | RNVC: 9
011606046
12-04826-00
RNCC: 3 | RNVC: 2
011595997
PBC2206F1
RNCC: 3 | RNVC: 2
011595273
FE-500-119-1
RNCC: 3 | RNVC: 1
A25634-2
RNCC: 5 | RNVC: 2
011592637
3160-0263
RNCC: 3 | RNVC: 2
3160-0263
RNCC: 5 | RNVC: 9
011583368
AX2 1134YH
RNCC: 3 | RNVC: 2
1134YSTPEZH
RNCC: 5 | RNVC: 9
011578181
MMP92117-100
RNCC: 3 | RNVC: 9
MMP92117-100
RNCC: C | RNVC: 1
011574245
2600-99-0003
RNCC: 3 | RNVC: 9
2600-99-0003
RNCC: 5 | RNVC: 2
011569981
675-80464-505
RNCC: 3 | RNVC: 2
011569982
675-80464-506
RNCC: 3 | RNVC: 2
011560683
M2EB413A26
RNCC: 3 | RNVC: 2
011558938
459457-3
RNCC: 3 | RNVC: 2
011558085
28-3313
RNCC: 3 | RNVC: 2
011548757
34U2-3
RNCC: 3 | RNVC: 2
34U2-3
RNCC: 5 | RNVC: 9
011541408
A2025-5
RNCC: 3 | RNVC: 2
011539796
34U2-3-1
RNCC: 3 | RNVC: 2
34U2-3-1
RNCC: 5 | RNVC: 9
011508081
VS37A2-R2-025966
RNCC: 3 | RNVC: 2
011507550
5-38-10-GALV-CCW
RNCC: 3 | RNVC: 9
000531-001
RNCC: 5 | RNVC: 9
AA-326-101-2CCW.312
RNCC: 5 | RNVC: 9
011499935
2EB412-AR62
RNCC: 3 | RNVC: 2
011498674
1950404-115
RNCC: 3 | RNVC: 2
011492790
8001661
RNCC: 3 | RNVC: 9
011490926
847-481-220
RNCC: 3 | RNVC: 2
847-506-022-1704JV
RNCC: 5 | RNVC: 2
1704JV847-506-022
RNCC: 5 | RNVC: 2
011490233
DRFP/AS609CCW154JF
RNCC: 3 | RNVC: 2
034056
RNCC: 5 | RNVC: 9
011480033
100600-001
RNCC: 3 | RNVC: 9
V584M
RNCC: 5 | RNVC: 2