The Support,seat,vehicular, cataloged under National Stock Number 2540-01-577-7458, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2540-01-577-7458 |
| Item Name | Support,seat,vehicular |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
| Reference | Meaning |
|---|---|
| 9905-300007-002 | 5/9 Secondary reference Global Seating Systems Llc Div Global Seating Systems |
| 136943-2 | D/9 Drawing number reference only Cadillac Gage Textron Inc. |
| 136943-2 | 3/9 Design control — primary reference Global Seating Systems Llc Div Global Seating Systems |
NSN 2540-01-577-7458 is a Support,seat,vehicular, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-580-1415. Verify interchangeability with system specifications before substitution.
Key specifications for 2540-01-577-7458: Special Features: DIMENSION: 17.20 IN. L X 9.83 IN. H X 11.50 IN IN; Part Name Assigned by Controlling Agency: SUPPORT,SEAT; End Item Identification: ARMORED SECURITY VEHICLE 2320-01-437-6957; Material: STEEL. 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.