The Impeller,fan,axial, cataloged under National Stock Number 4140-01-458-2180, 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 Lockheed Martin Corporation Div Rms - Manassas. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | Ebm Industries Inc Dba Ebm Papst (CAGE 62292); Lockheed Martin Corporation Div Rms - Manassas (CAGE 52088) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-458-2180 |
| Primary Part Number | B369 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| R2E175-A079-12-Q70 | Ebm Industries Inc Dba Ebm Papst (USA) |
| R2E175-A079-12 | Ebm Industries Inc Dba Ebm Papst (USA) |
| B369 PRIMARY | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| Reference | Meaning |
|---|---|
| B369 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4140-01-458-2180 is a Impeller,fan,axial, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-458-2180 has 3 manufacturer part numbers on file: R2E175-A079-12-Q70 (Ebm Industries Inc Dba Ebm Papst), R2E175-A079-12 (Ebm Industries Inc Dba Ebm Papst), B369 (Lockheed Martin Corporation Div Rms - Manassas).
1 possible match (shared part number, not a government interchangeability claim): 4210-01-580-8373. Verify interchangeability with system specifications before substitution.
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.