The Housing,centrifugal Fan, cataloged under National Stock Number 4140-01-147-9258, 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 Ashland Electric Products Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-147-9258 |
| Primary Part Number | 18001784CC1 |
| Item Name | Housing,centrifugal Fan |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Ashland Electric Products Inc |
| Status | ACTIVE |
| Length | 15.625 INCHES NOMINAL IN |
| Outlet Inside Diameter | 2.281 INCHES NOMINAL IN |
| Housing Style | FIXED |
| Height | 8.625 INCHES NOMINAL IN |
| Prime Mover for Which Designed | ELECTRIC MOTOR |
| Width | 3.844 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 18001784CC1 | Ashland Electric Products Inc (USA) |
| 9177316-3 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 406259000 | 3/2 Design control — primary reference U.S. Government activity |
| 26246-02 | 5/9 Secondary reference U.S. Government activity |
| A0-26246 | 5/9 Secondary reference U.S. Government activity |
| 9177316 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
| 406259 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-01-147-9258 is a Housing,centrifugal Fan, manufactured by Ashland Electric Products Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-147-9258 has 2 manufacturer part numbers on file: 18001784CC1 (Ashland Electric Products Inc), 9177316-3 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-359-3398. Verify interchangeability with system specifications before substitution.
Key specifications for 18001784CC1: Length: 15.625 INCHES NOMINAL IN; Outlet Inside Diameter: 2.281 INCHES NOMINAL IN; Housing Style: FIXED; Height: 8.625 INCHES NOMINAL IN. 7 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.