The Fan Assembly,tubeaxial, cataloged under National Stock Number 4140-01-655-8637, 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 The Boeing Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-655-8637 |
| Primary Part Number | 7-511A21412-103 |
| Item Name | Fan Assembly,tubeaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | The Boeing Company |
| 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 |
|---|---|
| 7-511A21412-103 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-511A21412A103-(S) | 5/9 Secondary reference The Boeing Company |
NSN 4140-01-655-8637 is a Fan Assembly,tubeaxial, manufactured by The Boeing Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-655-8637 has 1 manufacturer part number on file: 7-511A21412-103 (The Boeing Company).
Key specifications for 7-511A21412-103: Part Name Assigned by Controlling Agency: ASSY, FAN; End Item Identification: 7-610000000-. 0 specifications are 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.