The Cushion,seat Back,vehicular, cataloged under National Stock Number 2540-00-460-5826, 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 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2540-00-460-5826 |
| Primary Part Number | 11640526 |
| Item Name | Cushion,seat Back,vehicular |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Overall Thickness | 5.000 INCHES NOMINAL IN |
| Material | COTTON COVER |
| Material | RUBBER FOAM RESILIENT |
| Material | STEEL FRAME |
| Mounting Attachment | NOT INCLUDED |
| 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 |
|---|---|
| 11640526 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2540004605826 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| GS4963 | 5/9 Secondary reference U S Seating Co Inc |
| 10085695 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 2540-00-460-5826 is a Cushion,seat Back,vehicular, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-460-5826 has 1 manufacturer part number on file: 11640526 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 2541-01-617-3744. Verify interchangeability with system specifications before substitution.
Key specifications for 11640526: Overall Thickness: 5.000 INCHES NOMINAL IN; Overall Length: 19.750 INCHES NOMINAL IN; Overall Width: 19.750 INCHES NOMINAL IN; Material: COTTON COVER. 5 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.