The Ventilator,air Circulating, cataloged under National Stock Number 2540-01-533-0597, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-533-0597 |
| Item Name | Ventilator,air Circulating |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| 1001531 | 3/9 Design control — primary reference Hdt Tactical Power, Inc. |
| 2001232 REV T ITEM 43 | D/9 Drawing number reference only Hdt Tactical Power, Inc. |
| 1001531 | 5/9 Secondary reference U.S. Government activity |
| 1001531-P2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2540-01-533-0597 is a Ventilator,air Circulating, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6515-01-594-4639. Verify interchangeability with system specifications before substitution.
Key specifications for 2540-01-533-0597: End Item Identification: PU-820/T,GENERATOR SET,DIESEL ENGINE. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.