The Fan,vaneaxial, cataloged under National Stock Number 4140-01-251-6594, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-251-6594 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| 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 |
| Reference | Meaning |
|---|---|
| 2650-2926 | 5/9 Secondary reference U.S. Government activity |
| 2650-2920 | 5/9 Secondary reference U.S. Government activity |
| 1203BD50 S5 | 3/2 Design control — primary reference U.S. Government activity |
| 2650-2926 | 5/2 Secondary reference U.S. Government activity |
| 1203BD50(S5) | 5/9 Secondary reference U.S. Government activity |
| 2650-2924 | 5/2 Secondary reference U.S. Government activity |
| 2650-2920 | 5/2 Secondary reference U.S. Government activity |
| 2650-2924 | 5/9 Secondary reference U.S. Government activity |
NSN 4140-01-251-6594 is a Fan,vaneaxial, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
Key specifications for 4140-01-251-6594: End Item Identification: SSN 753 SUBMARINE ENGINE ROOM VENTILATION SYSTEM. 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.