The Fan,vaneaxial, cataloged under National Stock Number 4140-01-331-2887, 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 Rtx Corporation Div Pratt & Whitney. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Fan,vaneaxial |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | The Boeing Company (CAGE 77272); Rtx Corporation Div Pratt & Whitney (CAGE 55820) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-331-2887 |
| Primary Part Number | 728502 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| 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 |
|---|---|
| 414AS701-3 | The Boeing Company (USA) |
| 414AS701 | The Boeing Company (USA) |
| 728502 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| 414AS701-2 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 41790-1 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| 41790-1 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
NSN 4140-01-331-2887 is a Fan,vaneaxial, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-331-2887 has 4 manufacturer part numbers on file: 414AS701-3 (The Boeing Company), 414AS701 (The Boeing Company), 728502 (Rtx Corporation Div Pratt & Whitney), 414AS701-2 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-408-2080. 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.