The Cushion,seat Back,vehicular, cataloged under National Stock Number 2540-00-984-5100, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Agco Corp Parts Opn. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2540-00-984-5100 |
| Primary Part Number | 638422 |
| Item Name | Cushion,seat Back,vehicular |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Agco Corp Parts Opn |
| Status | ACTIVE |
| Overall Thickness | 4.250 INCHES NOMINAL IN |
| Material Form | FABRIC COVER |
| Cloth Weight | 19.070 OUNCES NOMINAL OZ |
| Material | COTTON COVER |
| Material | RUBBER FOAM RESILIENT |
| Mounting Attachment | NOT INCLUDED |
| Cloth-Fabric Name | DUCK |
| 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 |
|---|---|
| 638422 PRIMARY | Agco Corp Parts Opn (USA) |
| Reference | Meaning |
|---|---|
| 1220600 | 3/2 Design control — primary reference U.S. Government activity |
| A10419B | 5/9 Secondary reference U.S. Government activity |
NSN 2540-00-984-5100 is a Cushion,seat Back,vehicular, manufactured by Agco Corp Parts Opn, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-984-5100 has 1 manufacturer part number on file: 638422 (Agco Corp Parts Opn).
2 possible matches (shared part number, not a government interchangeability claim): 6645-01-363-9676, 6150-01-553-0487. Verify interchangeability with system specifications before substitution.
Key specifications for 638422: Overall Thickness: 4.250 INCHES NOMINAL IN; Material Form: FABRIC COVER; Overall Length: 19.000 INCHES NOMINAL IN; Overall Width: 15.000 INCHES NOMINAL IN. 7 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.