The Housing,centrifugal Fan, cataloged under National Stock Number 4140-01-364-2912, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-364-2912 |
| Item Name | Housing,centrifugal Fan |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Status | ACTIVE |
| Length | 5.812 INCHES NOMINAL IN |
| Outlet Inside Diameter | 5.582 INCHES NOMINAL IN |
| Prime Mover for Which Designed | ELECTRIC MOTOR |
| Material | ALUMINUM ALLOY HOUSING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 742518-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-364-2912 is a Housing,centrifugal Fan, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-364-2912: Length: 5.812 INCHES NOMINAL IN; Outlet Inside Diameter: 5.582 INCHES NOMINAL IN; Prime Mover for Which Designed: ELECTRIC MOTOR; End Item Identification: ENVIRONMENTAL CONTROL SYSTEM FOR B-2 BOMBER. 4 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.
NSN 4140-01-364-2912 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.