The Ventilator,air Circulating, cataloged under National Stock Number 2040-01-629-3545, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Ventilator,air Circulating |
| FSC / FSG | 2040 — Marine Hardware and Hull Items (FSG 20) |
| Parameter | Value |
|---|---|
| NSN | 2040-01-629-3545 |
| Item Name | Ventilator,air Circulating |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| 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 |
|---|---|
| W3T106812 | D/9 Drawing number reference only U.S. Government activity |
| W2T415892 | 3/2 Design control — primary reference U.S. Government activity |
| W3T106812 REV 7 ITEM 32 | 5/2 Secondary reference U.S. Government activity |
NSN 2040-01-629-3545 is a Ventilator,air Circulating, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2090-01-629-9199. 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.