The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 2540-01-659-5406, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Denel Vehicle Systems. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 2540 — Vehicular Furniture and Accessories (FSG 25) |
| Manufacturers | General Dynamics Land Systems Canadacorp (CAGE 56161); Denel Vehicle Systems (CAGE SZ177) |
| Parameter | Value |
|---|---|
| NSN | 2540-01-659-5406 |
| Primary Part Number | R0158948 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Denel Vehicle Systems |
| 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 |
| Part Number | Manufacturer |
|---|---|
| R0158948 | General Dynamics Land Systems Canadacorp (CAN) |
| R0158948 PRIMARY | Denel Vehicle Systems (ZAF) |
| Reference | Meaning |
|---|---|
| R0158948 | 5/2 Secondary reference U.S. Government activity |
| R0158948-0300 | D/9 Drawing number reference only Denel Vehicle Systems |
| 362-2091 | 5/1 Secondary reference Rs Components |
NSN 2540-01-659-5406 is a Duct Assembly,air Conditioning-H, manufactured by Denel Vehicle Systems, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-659-5406 has 2 manufacturer part numbers on file: R0158948 (General Dynamics Land Systems Canadacorp), R0158948 (Denel Vehicle Systems).
2 possible matches (shared part number, not a government interchangeability claim): 2540-01-659-5408, 2540-01-659-5410. Verify interchangeability with system specifications before substitution.
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.