The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-291-0959, 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 Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons (CAGE 1SR57) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-291-0959 |
| Primary Part Number | 4110839-1 |
| Item Name | Impeller,fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 4110839-1 PRIMARY | Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons (USA) |
| Reference | Meaning |
|---|---|
| 4110839-1 | 5/9 Secondary reference Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport |
| 4110839-1 | 5/9 Secondary reference Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
NSN 4140-01-291-0959 is a Impeller,fan,centrifugal, manufactured by Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-291-0959 has 1 manufacturer part number on file: 4110839-1 (Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4140-01-291-0959 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.