The Cushion,seat Back,vehicular, cataloged under National Stock Number 2540-00-401-3953, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-00-401-3953 |
| Primary Part Number | 733645 |
| Item Name | Cushion,seat Back,vehicular |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Length | 21.000 INCHES NOMINAL IN |
| Overall Thickness | 3.000 INCHES NOMINAL IN |
| Quantity | 1 |
| Width | 12.500 INCHES NOMINAL IN |
| Material | PLASTIC RESILIENT |
| Material | PLASTIC COVER |
| Material | WOOD FRAME |
| Mounting Attachment | 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 |
|---|---|
| 733645 PRIMARY | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 733645 | 5/9 Secondary reference Clark Equipment Co |
NSN 2540-00-401-3953 is a Cushion,seat Back,vehicular, manufactured by Dana Off Highway Products, Llc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-401-3953 has 1 manufacturer part number on file: 733645 (Dana Off Highway Products, Llc).
Key specifications for 733645: Length: 21.000 INCHES NOMINAL IN; Overall Thickness: 3.000 INCHES NOMINAL IN; Quantity: 1; Overall Length: 21.000 INCHES NOMINAL IN. 8 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.