The Guard,fan Impeller, cataloged under National Stock Number 4140-01-348-7414, 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 Anco Engineering, Inc Dba Anco Engineering Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-348-7414 |
| Primary Part Number | 76-4139 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Anco Engineering, Inc Dba Anco Engineering Inc |
| Status | ACTIVE |
| Mounting Method | SPRING CLIP |
| Shape | IRREGULAR |
| Body Material | STEEL |
| Surface Treatment | PAINT |
| 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 |
|---|---|
| 76-4139 PRIMARY | Anco Engineering, Inc Dba Anco Engineering Inc (USA) |
| 76-4139 | L-3 Communications Westwood Corporation Dba Mc II Electric Division Div L3 Westwood Corporation (USA) |
| 76-4139 | Afcon Products, Inc. (USA) |
| 76-4139 | Department of Defense Project Manager-Mobile Electric Power (USA) |
| Reference | Meaning |
|---|---|
| 76-4139 | 5/9 Secondary reference Forster Enterprises Inc |
NSN 4140-01-348-7414 is a Guard,fan Impeller, manufactured by Anco Engineering, Inc Dba Anco Engineering Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-348-7414 has 4 manufacturer part numbers on file: 76-4139 (Anco Engineering, Inc Dba Anco Engineering Inc), 76-4139 (L-3 Communications Westwood Corporation Dba Mc II Electric Division Div L3 Westwood Corporation), 76-4139 (Afcon Products, Inc.), 76-4139 (Department of Defense Project Manager-Mobile Electric Power).
Key specifications for 76-4139: Mounting Method: SPRING CLIP; Shape: IRREGULAR; Body Material: STEEL; Surface Treatment: PAINT. 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.