The Insulation,tunnel, cataloged under National Stock Number 2510-01-256-4906, is classified within Federal Supply Class 2510 (Vehicular Cab, Body, and Frame Structural Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2510-01-256-4906 |
| Primary Part Number | 12340593 |
| Item Name | Insulation,tunnel |
| FSC / FSG | 2510 / 25 — Vehicular Cab, Body, and Frame Structural Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL PER AMG SPEC 225,FIBERGLASS REINFORCED VINYL AND MYLAR BACKING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2510-01-256-4906 is a Insulation,tunnel, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2510, Vehicular Cab, Body, and Frame Structural Components. Status: active.
NSN 2510-01-256-4906 has 2 manufacturer part numbers on file: 12340593 (Am General Llc), 12340593 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-461-1134. Verify interchangeability with system specifications before substitution.
Key specifications for 12340593: General Characteristics Item Description: MATERIAL PER AMG SPEC 225,FIBERGLASS REINFORCED VINYL AND MYLAR BACKING; End Item Identification: PCCN CHMMWV 1 1/4 TON TRUCK. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.