The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 2540-01-727-1820, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2540-01-727-1820 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Status | ACTIVE |
| Shape | SQUARE |
| Vehicle Identification Designator | 16-3-0000-X |
| Vehicle Design Control Activity | 81337 |
| Color | GREEN |
| 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 |
|---|---|
| 6000-16026-X | D/9 Drawing number reference only U.S. Government activity |
| 6000-16026-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2540-01-727-1820 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): 2540-01-727-2225. Verify interchangeability with system specifications before substitution.
Key specifications for 2540-01-727-1820: Shape: SQUARE; Overall Length: 23.00 INCHES NOMINAL IN; Overall Width: 20.13 INCHES NOMINAL IN; Vehicle Identification Designator: 16-3-0000-X. 4 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.