The Cushion,seat Back,vehicular, cataloged under National Stock Number 2540-00-449-7378, 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. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2540-00-449-7378 |
| Primary Part Number | 7K5413 |
| Item Name | Cushion,seat Back,vehicular |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| 7K5413 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 7S5387 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 1266800 | 5/9 Secondary reference U.S. Government activity |
| 7S5387 | 5/9 Secondary reference The Wise Company Llc |
| 7K5413 | 5/9 Secondary reference The Wise Company Llc |
NSN 2540-00-449-7378 is a Cushion,seat Back,vehicular, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-449-7378 has 1 manufacturer part number on file: 7K5413 (Caterpillar Inc Div Caterpillar Defense).
1 possible match (shared part number, not a government interchangeability claim): 3020-00-828-3670. Verify interchangeability with system specifications before substitution.
Key specifications for 7K5413: Overall Length: 20.000 INCHES NOMINAL IN; Overall Width: 16.000 INCHES NOMINAL IN; End Item Identification: TRAXCAVATOR; CATERPILLAR INC; MODEL 977L; Mounting Attachment: NOT INCLUDED. 1 specification is 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.