The Support,seat,vehicular, cataloged under National Stock Number 2540-01-656-4844, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2540-01-656-4844 |
| Item Name | Support,seat,vehicular |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Swivel | NOT INCLUDED |
| Overall Thickness | 0.134 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A506 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A375 ASSN STD 1ST MATERIAL RESPONSE AND QQ-S 741 INTERNATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR ASTM A36 ASSN STD 2ND MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.328 INCHES NOMINAL IN |
| Vehicle Identification Designator | AAVC7A1 RAMS/RS |
| Vehicle Design Control Activity | 0MLM6 |
| Material | STEEL AND STEEL,CARBON |
| Mounting Type | THREAD TUBE CONNECTION |
| Mounting Hole Type | PLAIN AND THRU HOLE |
| 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 |
|---|---|
| 2588442 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2540-01-656-4844 is a Support,seat,vehicular, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
Key specifications for 2540-01-656-4844: Mounting Hole Quantity: 3; Swivel: NOT INCLUDED; Overall Thickness: 0.134 INCHES NOMINAL IN; Material Document and Classification: ASTM A506 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A375 ASSN STD 1ST MATERIAL RESPONSE AND QQ-S 741 INTERNATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR ASTM A36 ASSN STD 2ND MATERIAL RESPONSE. 10 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.