The Housing Section,heater Compartme, cataloged under National Stock Number 2540-01-472-4768, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-472-4768 |
| Primary Part Number | 12421778-001 |
| Item Name | Housing Section,heater Compartme |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Color | GREEN |
| Surface Treatment | PRIMER AND PAINT POLYURETHANE |
| Material | STEEL |
| 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 |
|---|---|
| 12421778-001 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12421778-001 | Amz Alabama Inc. (USA) |
| 12421778-001 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| Reference | Meaning |
|---|---|
| 12421778 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 2540-01-472-4768 is a Housing Section,heater Compartme, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-472-4768 has 3 manufacturer part numbers on file: 12421778-001 (U S Army Tank Automotive Command Amsta-Im-Mm), 12421778-001 (Amz Alabama Inc.), 12421778-001 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-480-4468. Verify interchangeability with system specifications before substitution.
Key specifications for 12421778-001: Overall Length: 689.0 MILLIMETERS NOMINAL MM; Overall Width: 277.0 MILLIMETERS NOMINAL MM; Color: GREEN; Special Features: SURFACE MATES WITH CONTAINER,LOWER P/N 12421779-001; NOMINAL DIMENSIONS ARE REFERENCE ONLY. 3 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.