The Guard,fan Impeller, cataloged under National Stock Number 4140-01-571-5376, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-571-5376 |
| Primary Part Number | 336203 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Compusa Inc |
| Status | ACTIVE |
| Overall Diameter | 120.0 MILLIMETERS NOMINAL MM |
| Mounting Method | SCREW |
| Shape | ROUND |
| Body Material | STEEL |
| 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 |
|---|---|
| 336203 PRIMARY | Compusa Inc (USA) |
| Reference | Meaning |
|---|---|
| 171480-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4140-01-571-5376 is a Guard,fan Impeller, manufactured by Compusa Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-571-5376 has 1 manufacturer part number on file: 336203 (Compusa Inc).
2 possible matches (shared part number, not a government interchangeability claim): 2590-01-661-6896, 5340-01-730-5128. Verify interchangeability with system specifications before substitution.
Key specifications for 336203: Overall Diameter: 120.0 MILLIMETERS NOMINAL MM; Mounting Method: SCREW; Shape: ROUND; Body Material: STEEL. 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.