The Guard,fan Impeller, cataloged under National Stock Number 4140-01-341-9183, 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 Textron Systems Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-341-9183 |
| Primary Part Number | 151-5749279-027 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Textron Systems Corp |
| Status | ACTIVE |
| Body Material | PLASTIC MESH |
| 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 |
|---|---|
| 151-5749279-027 PRIMARY | Textron Systems Corp (USA) |
| 151-5749279-027 | Brighton Cromwell Llc (USA) |
| Reference | Meaning |
|---|---|
| 5749279-027 | 5/9 Secondary reference U.S. Government activity |
| 5749279-027 | 5/9 Secondary reference Naval Sea Systems Command |
| 5749279-027 | 5/9 Secondary reference Textron Systems Corp |
NSN 4140-01-341-9183 is a Guard,fan Impeller, manufactured by Textron Systems Corp, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-341-9183 has 2 manufacturer part numbers on file: 151-5749279-027 (Textron Systems Corp), 151-5749279-027 (Brighton Cromwell Llc).
Key specifications for 151-5749279-027: Body Material: PLASTIC MESH. 1 specification is 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.