The Fan,centrifugal, cataloged under National Stock Number 4140-00-678-8443, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Dcm Manufacturing, Inc.. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-678-8443 |
| Primary Part Number | 105B-24V |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Dcm Manufacturing, Inc. |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 3 FLANGE |
| Inclosure Type | FULLY INCLOSED |
| Length | 7.250 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 24.0 DC |
| Drive Type | DIRECT |
| Outlet Inside Diameter | 2.188 INCHES NOMINAL IN |
| Quantity | 1 |
| Ambient Temp at Full Rated Power | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Discharge Direction | HORIZONTAL |
| Height | 6.500 INCHES NOMINAL IN |
| Environmental Protection | WEATHERPROOF |
| Width | 6.500 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Electrical Connection Type | WIRE LEAD |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10932594 | Mbda Uk Ltd (GBR) |
| 10932594 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 105B-24V PRIMARY | Dcm Manufacturing, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4140PL1483365 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 105B-24V | 5/9 Secondary reference Dcm Corp |
| 4140006788443 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 4140-00-678-8443 is a Fan,centrifugal, manufactured by Dcm Manufacturing, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-678-8443 has 3 manufacturer part numbers on file: 10932594 (Mbda Uk Ltd), 10932594 (U S Army Tank Automotive Command Amsta-Im-Mm), 105B-24V (Dcm Manufacturing, Inc.).
Key specifications for 105B-24V: Outlet Location: TOP; Mounting Facility Type and Quantity: 3 FLANGE; Inclosure Type: FULLY INCLOSED; Length: 7.250 INCHES NOMINAL IN. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.