The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-571-5378, 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 Compusa Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-571-5378 |
| Primary Part Number | 306880 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Compusa Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Attachment Method | BOLT HOLE |
| Blade Quantity | 7 |
| Prime Mover Drive Shaft Bearing Type | BALL |
| 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 |
|---|---|
| 306880 PRIMARY | Compusa Inc (USA) |
| MD-TTF-DB-A1357 PRIMARY | Compusa Inc (USA) |
| Reference | Meaning |
|---|---|
| 171471-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4140-01-571-5378 is a Impeller,fan,centrifugal, manufactured by Compusa Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-571-5378 has 2 manufacturer part numbers on file: 306880 (Compusa Inc), MD-TTF-DB-A1357 (Compusa Inc).
Key specifications for 306880: Mounting Hole Quantity: 4; Attachment Method: BOLT HOLE; Blade Quantity: 7; Special Features: 12 VOLT,80X80X25MM,3-PIN CONNECTOR. 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.
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.