The Insulation,vehicular, cataloged under National Stock Number 2540-01-309-4459, 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 4 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-309-4459 |
| Primary Part Number | 12338337 |
| Item Name | Insulation,vehicular |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Overall Thickness | 0.390 INCHES NOMINAL IN |
| Nominal Overall Length | 8.500 INCHES IN |
| Bolt Hole Quantity | 6 |
| Material | PLASTIC OVERALL |
| 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 |
|---|---|
| 5588778 | Am General Llc (USA) |
| 12338337 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2540PL1944643 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2540013094459 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5588674-B | D/9 Drawing number reference only Am General Llc |
NSN 2540-01-309-4459 is a Insulation,vehicular, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-309-4459 has 2 manufacturer part numbers on file: 5588778 (Am General Llc), 12338337 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12338337: Overall Thickness: 0.390 INCHES NOMINAL IN; Nominal Overall Length: 8.500 INCHES IN; Overall Width: 2.375 INCHES NOMINAL IN; Bolt Hole Quantity: 6. 4 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.