The Insulation,vehicular, cataloged under National Stock Number 2540-01-588-9204, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | Insulation,vehicular |
| FSC / FSG | 2540 — Vehicular Furniture and Accessories (FSG 25) |
| Manufacturers | Amz Alabama Inc. (CAGE 076M6); Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Engineered Materials Technology, Inc. (CAGE 4PS57) |
| Parameter | Value |
|---|---|
| NSN | 2540-01-588-9204 |
| Primary Part Number | 6444690-02M1 |
| Item Name | Insulation,vehicular |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| 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 |
|---|---|
| 6444690-02M1 | Amz Alabama Inc. (USA) |
| 6444690-02M1 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 6444690-02M1 PRIMARY | Engineered Materials Technology, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6444690-02M1 | 7/9 Vendor item drawing reference Bae Systems Survivability Systems Llc |
| MF200-MI-500 | 5/9 Secondary reference Agustin Industries Inc Dba Winslo Industries |
NSN 2540-01-588-9204 is a Insulation,vehicular, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-588-9204 has 3 manufacturer part numbers on file: 6444690-02M1 (Amz Alabama Inc.), 6444690-02M1 (Caterpillar Inc Div Caterpillar Defense), 6444690-02M1 (Engineered Materials Technology, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 2540-01-588-9211, 2540-01-588-9220, 2540-01-588-9227. 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.