The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 2540-01-677-8980, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-677-8980 |
| Primary Part Number | SP12579659 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Method | BOLTED |
| Material | ALUMINUM |
| 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 |
|---|---|
| SP12579659 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| SP12579659 | General Dynamics Ordnance and Tactical Systems, Inc. (USA) |
| SP12579659 | Flyer Defense, Llc (USA) |
NSN 2540-01-677-8980 is a Duct Assembly,air Conditioning-H, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-677-8980 has 3 manufacturer part numbers on file: SP12579659 (U S Army Tank Automotive Command Amsta-Im-Mm), SP12579659 (General Dynamics Ordnance and Tactical Systems, Inc.), SP12579659 (Flyer Defense, Llc).
Key specifications for SP12579659: Mounting Method: BOLTED; End Item Identification: 2355016275147; Material: ALUMINUM. 2 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.