The Guard,fan Impeller, cataloged under National Stock Number 4140-01-377-2258, 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 Raytheon Company Div Corp. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-377-2258 |
| Primary Part Number | G502724-1 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Shape | IRREGULAR |
| 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 |
|---|---|
| G502724-1 PRIMARY | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| G502724-1 | 7/2 Vendor item drawing reference Raytheon Company Dba Raytheon Co |
| G502724-1 | 3/9 Design control — primary reference Titchener E H and Co |
NSN 4140-01-377-2258 is a Guard,fan Impeller, manufactured by Raytheon Company Div Corp, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-377-2258 has 1 manufacturer part number on file: G502724-1 (Raytheon Company Div Corp).
Key specifications for G502724-1: Overall Height: 8.740 INCHES NOMINAL IN; Shape: IRREGULAR; Overall Width: 6.400 INCHES NOMINAL IN; Body Material: STEEL. 2 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.