The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 2540-01-643-3372, 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 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-643-3372 |
| Primary Part Number | 12578148 |
| 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 Hole Quantity | 9 |
| Color Chip Number | 17925 |
| Surface Treatment Document and Classification | FED STD 595 FED STD 2ND TREATMENT RESPONSE |
| Overall Thickness | 0.150 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Hardness Rating | 45.0 SHORE DUROMETER D NOMINAL |
| Slot Quantity | 2 |
| Shape | IRREGULAR |
| Vehicle Identification Designator | M992A3 |
| Vehicle Design Control Activity | 06085 |
| Color | WHITE |
| Surface Treatment | PAINTED AND POLYUREA COATING |
| Minimum Tensile Strength | 1800 POUNDS PER SQUARE INCH LBS |
| Material | ALUMINUM |
| Mounting Hole Type | PLAIN ALL HOLES |
| 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 |
|---|---|
| 12578148 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2540-01-643-3372 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 2540-01-643-3372 has 1 manufacturer part number on file: 12578148 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12578148: Mounting Hole Quantity: 9; Color Chip Number: 17925; Surface Treatment Document and Classification: FED STD 595 FED STD 2ND TREATMENT RESPONSE; Overall Thickness: 0.150 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN. 14 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.