The Fan,centrifugal, cataloged under National Stock Number 4140-01-275-8370, 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 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-275-8370 |
| Primary Part Number | 8W-40507-2 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Fm Af, Llc Dba American Fan Company |
| Status | ACTIVE |
| Outlet Location | TOP |
| Mounting Facility Type and Quantity | 2 FLANGE |
| Speed Adjustments | SINGLE SPEED |
| Inclosure Type | FULLY INCLOSED |
| Drive Type | DIRECT |
| Prime Mover Power Rating | 0.050 HORSEPOWER |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Ambient Temp at Full Rated Power | 70.0 FAHRENHEIT DEGF |
| Discharge Direction | HORIZONTAL |
| Operating Speed at Rated Capacity in RPM | 1750.0 |
| Environmental Protection | WATERPROOF |
| Material | STEEL OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Prime Mover Drive Shaft Bearing Type | BALL |
| Static Pressure at Specified Air Flow Rate | ERR-060 |
| Air Flow Rate | 250.0 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-40507-2 PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| MA2.5CF | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
| MA2.5CF | C/1 Advisory reference — outside the item-of-supply concept Fm Af, Llc Dba American Fan Company |
| 8W-40507-2/MA2. 5CF | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 8W-40507-2 | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
NSN 4140-01-275-8370 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 4140-01-275-8370 has 1 manufacturer part number on file: 8W-40507-2 (Fm Af, Llc Dba American Fan Company).
Key specifications for 8W-40507-2: Outlet Location: TOP; Mounting Facility Type and Quantity: 2 FLANGE; Speed Adjustments: SINGLE SPEED; Inclosure Type: FULLY INCLOSED. 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.