The Fan,centrifugal, cataloged under National Stock Number 4140-01-260-4155, 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 Fm Af, Llc Dba American Fan Company. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-260-4155 |
| Primary Part Number | 8W-83621-2/MA20CF-NS |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Fm Af, Llc Dba American Fan Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Phase | THREE |
| Frequency in Hertz | 60.9 |
| Outlet Inside Height | 15.875 INCHES NOMINAL IN |
| Length | 23.969 INCHES NOMINAL IN |
| Voltage in Volts and Current Type | 440.0 AC |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Features Provided | NONSPARKING AND FLANGED AIR INLET AND FLANGED AIR OUTLET |
| Outlet Inside Width | 10.750 INCHES NOMINAL IN |
| Operating Speed at Rated Capacity in RPM | 1750.0 |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 2200.0 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| 8W-83621-2/MA20CF-NS PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| 8W-83621-2/MA20CF-NS | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
NSN 4140-01-260-4155 is a Fan,centrifugal, manufactured by Fm Af, Llc Dba American Fan Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-260-4155 has 1 manufacturer part number on file: 8W-83621-2/MA20CF-NS (Fm Af, Llc Dba American Fan Company).
Key specifications for 8W-83621-2/MA20CF-NS: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Phase: THREE; Frequency in Hertz: 60.9; Outlet Inside Height: 15.875 INCHES NOMINAL IN. 14 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.