The Roller,seat Adjuster, cataloged under National Stock Number 2540-00-602-4978, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2540-00-602-4978 |
| Primary Part Number | 7968200 |
| Item Name | Roller,seat Adjuster |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL HOUSING,FED-QQ-S-681,CLASS 1 OR 2,1-7/16 IN. L,11/16 IN. W,1 IN. H,INCLUDES STEEL ROLLER BEARING 0.752 IN. OD,2 MOUNTING HOLES 0.260 IN. DIA IN |
| 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 |
|---|---|
| 7968200 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2540006024978 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2540-00-602-4978 is a Roller,seat Adjuster, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-602-4978 has 1 manufacturer part number on file: 7968200 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7968200: General Characteristics Item Description: STEEL HOUSING,FED-QQ-S-681,CLASS 1 OR 2,1-7/16 IN. L,11/16 IN. W,1 IN. H,INCLUDES STEEL ROLLER BEARING 0.752 IN. OD,2 MOUNTING HOLES 0.260 IN. DIA IN; End Item Identification: COMBAT VEHICLE K343AA. 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.