The Impeller,fan,axial, cataloged under National Stock Number 4140-01-442-9400, 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 Air Turbine Propeller Co. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Air Turbine Propeller Co (CAGE 13826) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-442-9400 |
| Primary Part Number | 4-42-36 PROP ONLY |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Air Turbine Propeller Co |
| 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 |
|---|---|
| 4-42-36 PROP ONLY PRIMARY | Air Turbine Propeller Co (USA) |
| Reference | Meaning |
|---|---|
| 30049-1 | 5/9 Secondary reference Tld Ace Corp Div Tld Ace |
NSN 4140-01-442-9400 is a Impeller,fan,axial, manufactured by Air Turbine Propeller Co, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-442-9400 has 1 manufacturer part number on file: 4-42-36 PROP ONLY (Air Turbine Propeller Co).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-558-4046, 4310-01-667-6460. 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.