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 125 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 125of 125

997843419
60703-004
RNCC: 3 | RNVC: 2
5014103-001
RNCC: 5 | RNVC: 2
5014103-003
RNCC: 5 | RNVC: 2
993987332
1594/5495/10
RNCC: 3 | RNVC: 2
1594/5495/10
RNCC: 5 | RNVC: 9
145653537
332A39-0008-00
RNCC: 3 | RNVC: 9
996540127
2/BK/507535/001
RNCC: 3 | RNVC: 2
125XR
RNCC: 5 | RNVC: 1
997287434
JS 120405
RNCC: 3 | RNVC: 1
235 237
RNCC: 5 | RNVC: 1
KG
RNCC: 5 | RNVC: 1
151251174
30/12
RNCC: 3 | RNVC: 2
121741861
000-020120DH1A
RNCC: 3 | RNVC: 2
01000-020120DH1A
RNCC: 5 | RNVC: 2
151542671
1610516253H
RNCC: 5 | RNVC: 2
SA505-7
RNCC: 5 | RNVC: 2
1610516253H
RNCC: 5 | RNVC: 2
SA505-7
RNCC: 5 | RNVC: 9
996319992
JSF 844
RNCC: 3 | RNVC: 2
B688-4-05060-000
RNCC: 5 | RNVC: 2
992538511
HP-C-1000-127
RNCC: 3 | RNVC: 2
25665-40004
RNCC: 5 | RNVC: 2
661207917
60827-4-43
RNCC: 3 | RNVC: 2
375238381
KA1725/5 HA(1)2BMT
RNCC: 3 | RNVC: 2
142381600
E251E1-65AS13
RNCC: 3 | RNVC: 2
150518846
E16-54-28-4-650MCHPREV38
RNCC: 3 | RNVC: 2
123264613
704-152011-000-0
RNCC: 3 | RNVC: 2
121588275
ZMLH6Z1-0-280
RNCC: 3 | RNVC: 2
12037
RNCC: 5 | RNVC: 2
205112037
RNCC: 5 | RNVC: 2
151413841
3133/3078RD
RNCC: 3 | RNVC: 2
123870990
5756-049020C00C
RNCC: 3 | RNVC: 2
14100077741
RNCC: 5 | RNVC: 2
991591526
686/1/15809/000
RNCC: 3 | RNVC: 2
FSATL2
RNCC: 6 | RNVC: 9
123725435
1000040289
RNCC: 3 | RNVC: 2
997203208
FV987188
RNCC: 3 | RNVC: 2
9839747
RNCC: 5 | RNVC: 2
MFU095CD102
RNCC: 5 | RNVC: 2
997192614
B66182
RNCC: 3 | RNVC: 2
995670446
60E15883
RNCC: 3 | RNVC: 2
60E15883
RNCC: 5 | RNVC: 2
131213728
07-0010022
RNCC: 3 | RNVC: 2
07-0010022
RNCC: 5 | RNVC: 2
219125283
L4003A/FAN
RNCC: 3 | RNVC: 2
375257832
SF#1 1/2DS
RNCC: 3 | RNVC: 2
999875485
L03-11-4-710
RNCC: 3 | RNVC: 1
992560935
060-04-06
RNCC: 3 | RNVC: 2
060-04-06P
RNCC: 5 | RNVC: 2
500-02-48
RNCC: 5 | RNVC: 2
AS 61252
RNCC: 5 | RNVC: 2
AS4-61252/80122
RNCC: 6 | RNVC: 9
143267795
350-6-2L35PP14-5A
RNCC: 3 | RNVC: 2
270553915
AFR24
RNCC: 5 | RNVC: 9
219060198
DD9-9A
RNCC: 3 | RNVC: 2
142620716
312989
RNCC: 3 | RNVC: 2
312989
RNCC: 5 | RNVC: 9
150671003
PR7DS1057M
RNCC: 2 | RNVC: 2
131216474
720063
RNCC: 3 | RNVC: 2
DS 12-5 TAC3 3/4
RNCC: 3 | RNVC: 2
263002377
JVP-401
RNCC: 3 | RNVC: 2
170521228
2983-27738
RNCC: 3 | RNVC: 2
470606
RNCC: 5 | RNVC: 2
150518630
SWS1-3020-9500MCHE8
RNCC: 3 | RNVC: 2
998112364
BLC 400 W/1495/5495/3/I/ASS
RNCC: 3 | RNVC: 2
998329816
L03-11-4-560
RNCC: 3 | RNVC: 1
340302683
8-94239-651-0
RNCC: 3 | RNVC: 2
8-94239-651-0
RNCC: 6 | RNVC: 9
997861129
306-019-01980
RNCC: 3 | RNVC: 2
1-278SK804046
RNCC: 5 | RNVC: 2
152056737
RBG-0242/01
RNCC: 3 | RNVC: 2
(241)A0069RBG-0242/01
RNCC: 5 | RNVC: 2
121794770
5801357-6118.00
RNCC: 2 | RNVC: 2
5801357-6118.00
RNCC: 3 | RNVC: 2
5801357-6118-00
RNCC: 5 | RNVC: 2
5801357-6118-00
RNCC: 5 | RNVC: 2
5801357-6118-00
RNCC: 5 | RNVC: 9
5801357-6118.00
RNCC: 5 | RNVC: 9
5801357-6118-00
RNCC: 5 | RNVC: 9
5801357-6118-00
RNCC: 5 | RNVC: 9
170546286
CLE-150-2,115V-60HZ
RNCC: 3 | RNVC: 2
218952109
KBB33-2
RNCC: 3 | RNVC: 2
12-10807-00
RNCC: 5 | RNVC: 2
375102624
EXHCFS-85-85-9.6
RNCC: 3 | RNVC: 2
80265154
RNCC: 3 | RNVC: 2
80265154
RNCC: 5 | RNVC: 9
143523418
NO PRIMARY REF14-352-3418
RNCC: 3 | RNVC: 2
B42EC0320-021
RNCC: 5 | RNVC: 9
151558954
SQR13S.A-RD
RNCC: 3 | RNVC: 2
151794721
3DB00154AA**
RNCC: 3 | RNVC: 2
661548439
15006056
RNCC: 3 | RNVC: 2
121641344
683420979
RNCC: 3 | RNVC: 2
20979
RNCC: 5 | RNVC: 2
217981832
414801GR3
RNCC: 3 | RNVC: 2
T414837
RNCC: 5 | RNVC: 2
T495120
RNCC: 5 | RNVC: 2
998112371
BLC 450 M/1295/5495/7/I/ASS
RNCC: 3 | RNVC: 2
994988650
J21502256-001
RNCC: 3 | RNVC: 2
992826556
PW4165
RNCC: 3 | RNVC: 2
A2-10484/A
RNCC: 5 | RNVC: 2
998459024
223-SCD-001
RNCC: 3 | RNVC: 2
997124914
NO PRIMARY REF 99-712-4914
RNCC: 3 | RNVC: 2
C303020
RNCC: 5 | RNVC: 9
998091253
A-LRZ9A/200/315/1
RNCC: 3 | RNVC: 1
PT878/015-1 ITEM 4
RNCC: 5 | RNVC: 2
PT878/015-1/4
RNCC: 5 | RNVC: 2
991470943
CM W6604
RNCC: 3 | RNVC: 2
S/W6604
RNCC: 5 | RNVC: 2
W6604
RNCC: 5 | RNVC: 2
998242284
NO PRIMARY REF 99-824-2284
RNCC: 3 | RNVC: 2
D63867-00
RNCC: 5 | RNVC: 9
997385004
BLC 450N/1594/5495/13/I/ASS
RNCC: 3 | RNVC: 2
226195138
084041
RNCC: 3 | RNVC: 2
412021847
4140000030
RNCC: 3 | RNVC: 2
537460025040
RNCC: 3 | RNVC: 2
997004395
ACH150-12
RNCC: 3 | RNVC: 2
ACH150-12
RNCC: 5 | RNVC: 2
142381594
E245E1-65A37
RNCC: 3 | RNVC: 2
661573277
700(ACT.)/9/4ZR/PAG/30DEG/RA 1
RNCC: 3 | RNVC: 2
143953634
MN601
RNCC: 3 | RNVC: 2
661572072
QLK45/2400-A1-2524L-11GE
RNCC: 3 | RNVC: 2
HSA000375
RNCC: 5 | RNVC: 2
143881805
NO PRIMARY REF14-388-1805
RNCC: 3 | RNVC: 2
21C2100
RNCC: 5 | RNVC: 9
142663668
602315
RNCC: 3 | RNVC: 2
BAZM00285
RNCC: 5 | RNVC: 2
602315
RNCC: 5 | RNVC: 9
200068166
BKVM3010001/1
RNCC: 3 | RNVC: 2
151574712
E 00003 13
RNCC: 3 | RNVC: 2
(241)A5809860.CA.0014
RNCC: 5 | RNVC: 2
860.CA.0014
RNCC: 5 | RNVC: 2
(241)A9227E0000313
RNCC: 5 | RNVC: 2
144035103
9760-374
RNCC: 3 | RNVC: 9
123888982
901702A1EX-020-4-REP15.4
RNCC: 3 | RNVC: 2
123407097
21301371389003-2
RNCC: 3 | RNVC: 2
X8-Z1.0-710-LR
RNCC: 5 | RNVC: 2
123292305
59.08.124
RNCC: 3 | RNVC: 2
59-08124
RNCC: 5 | RNVC: 9
151623692
T-HLZ450-IMPELLER
RNCC: 3 | RNVC: 2
HVALCF.035-002
RNCC: 5 | RNVC: 2
999007989
NO PRIMARY REF 99-900-7989
RNCC: 3 | RNVC: 2
B124629
RNCC: 5 | RNVC: 2
994218119
NO PRIMARY REF 99-421-8119
RNCC: 3 | RNVC: 2
EF210-6
RNCC: 5 | RNVC: 9
0565-204611
RNCC: 6 | RNVC: 9
142381560
E652E1-64AG3
RNCC: 3 | RNVC: 2
151907138
2111-09
RNCC: 3 | RNVC: 2
218718689
BC1307V18
RNCC: 3 | RNVC: 2
8831500005-1
RNCC: 7 | RNVC: 2
270552702
0.30 KW
RNCC: 3 | RNVC: 2
123673632
90134A2E-12/REP.1
RNCC: 3 | RNVC: 2
123543010
21390202 40588 01
RNCC: 3 | RNVC: 2
A-LQZ11/200/315LR
RNCC: 5 | RNVC: 2
995858372
L03-11-4-500
RNCC: 3 | RNVC: 1
994536976
800/3-9/20/PPG/4ZL/24/8/2M6/A
RNCC: 3 | RNVC: 2
FB246104
RNCC: 5 | RNVC: 2
661399211
15-5058
RNCC: 3 | RNVC: 2
RLS190-250-R-10U
RNCC: 3 | RNVC: 2
995987504
MRZ10A/160/475/1(D2435)90160 6.1
RNCC: 3 | RNVC: 1
MRZ ITEM 5
RNCC: 5 | RNVC: 1
MRZ10A
RNCC: 5 | RNVC: 1
226157148
CNA-315/R POS LG4
RNCC: 3 | RNVC: 2
992278760
BLC 300 W/1494/5495/21/I/ASS
RNCC: 3 | RNVC: 2
BLC 300 W/1494/5495/21/I/ASS
RNCC: 5 | RNVC: 9
142159778
773-413-049DET4-6-15-17
RNCC: 3 | RNVC: 2
773-413-049DET4-6-15-17
RNCC: 5 | RNVC: 9
988577612
NO PRIMARY REF 98-857-7612
RNCC: 3 | RNVC: 2
CC.230007-2
RNCC: 5 | RNVC: 2