The Fan,vaneaxial, cataloged under National Stock Number 4140-01-694-1665, 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 Systel Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Fan,vaneaxial |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | Systel Inc (CAGE 1VRD0) |
| Parameter | Value |
|---|---|
| NSN | 4140-01-694-1665 |
| Primary Part Number | 803243 |
| Item Name | Fan,vaneaxial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Systel Inc |
| 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 |
|---|---|
| 803243 PRIMARY | Systel Inc (USA) |
| Reference | Meaning |
|---|---|
| 8663791 | D/9 Drawing number reference only Naval Sea Systems Command |
| 8663791-108 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4140-01-694-1665 is a Fan,vaneaxial, manufactured by Systel Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-694-1665 has 1 manufacturer part number on file: 803243 (Systel Inc).
2 possible matches (shared part number, not a government interchangeability claim): 7025-01-696-7027, 7025-01-736-1490. 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.