The Guard,fan Impeller, cataloged under National Stock Number 4140-01-617-3705, 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 Market Forge Industries Inc. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-617-3705 |
| Primary Part Number | 10-5957 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Market Forge Industries Inc |
| Status | ACTIVE |
| Mounting Method | SPRING CLIP |
| Shape | RECTANGULAR |
| Body Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| MAR10-5957 | Parts Town, Llc (USA) |
| 10-5957 PRIMARY | Market Forge Industries Inc (USA) |
NSN 4140-01-617-3705 is a Guard,fan Impeller, manufactured by Market Forge Industries Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-617-3705 has 2 manufacturer part numbers on file: MAR10-5957 (Parts Town, Llc), 10-5957 (Market Forge Industries Inc).
Key specifications for 10-5957: Overall Height: 2.73 INCHES MINIMUM AND 3.03 INCHES MAXIMUM IN; Mounting Method: SPRING CLIP; Shape: RECTANGULAR; Overall Length: 17.10 INCHES MINIMUM AND 17.40 INCHES MAXIMUM IN. 3 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.