The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 2540-01-687-2279, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2540-01-687-2279 |
| Item Name | Duct Assembly,air Conditioning-H |
| 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 |
| Reference | Meaning |
|---|---|
| 70213-1 | 3/1 Design control — primary reference Applied Companies |
NSN 2540-01-687-2279 is a Duct Assembly,air Conditioning-H, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-01-693-9536. Verify interchangeability with system specifications before substitution.
Key specifications for 2540-01-687-2279: Part Name Assigned by Controlling Agency: EUC TO SHELTER DUCT; End Item Identification: ENVIRONMENTAL CONTROL SYSTEM. 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.