The Rollbar,vehicular, cataloged under National Stock Number 2540-01-258-7338, 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-258-7338 |
| Primary Part Number | 12356641-1 |
| Item Name | Rollbar,vehicular |
| 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,CARBON,SEAMLESS TUBING,1020 TO 1026; SPEC ASTM A519; 2.000 INS OD X 0.156 IN. WALL THK; CLEAN,SPEC TT-C-490; TREAT,TYPE 1 OR 3,SPEC TT-C-490; PRIME,SPEC MIL-P-52192; FINISH,GREEN 383,SPEC MIL-C-46168; OVERALL HEIGHT 49.450 INS MIN,49.570 INS MAX; OVERALL LENGTH 17.480 INS MIN,17.600 INS MAX; 4 HOLES,0.539 IN. MIN DIA,0.550 IN. MAX DIA; ITEM CONTAINS PIN ASSEMBLY P/N 12356656-1 CAGE 19207; PLUGP/N 12356645 CAGE 19207; BAR P/N 12356641-5 CAGE 19207; SLEEVE P/N 12356641-3 CAGE 19207; PIN ASSEMBLY P/N 12356656-2 CAGE 19207; PIN ASSEMBLY P/N 12356656-3 CAGE 19207; ANCHOR P/N 12356661--1 CAGE 19207; ANCHOR P/N 12356661-2 CAGE 19207 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 |
|---|---|
| 12356641-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2540-01-258-7338 is a Rollbar,vehicular, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-258-7338 has 1 manufacturer part number on file: 12356641-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12356641-1: General Characteristics Item Description: STEEL,CARBON,SEAMLESS TUBING,1020 TO 1026; SPEC ASTM A519; 2.000 INS OD X 0.156 IN. WALL THK; CLEAN,SPEC TT-C-490; TREAT,TYPE 1 OR 3,SPEC TT-C-490; PRIME,SPEC MIL-P-52192; FINISH,GREEN 383,SPEC MIL-C-46168; OVERALL HEIGHT 49.450 INS MIN,49.570 INS MAX; OVERALL LENGTH 17.480 INS MIN,17.600 INS MAX; 4 HOLES,0.539 IN. MIN DIA,0.550 IN. MAX DIA; ITEM CONTAINS PIN ASSEMBLY P/N 12356656-1 CAGE 19207; PLUGP/N 12356645 CAGE 19207; BAR P/N 12356641-5 CAGE 19207; SLEEVE P/N 12356641-3 CAGE 19207; PIN ASSEMBLY P/N 12356656-2 CAGE 19207; PIN ASSEMBLY P/N 12356656-3 CAGE 19207; ANCHOR P/N 12356661--1 CAGE 19207; ANCHOR P/N 12356661-2 CAGE 19207 IN; End Item Identification: TRUCK UTILITY 1/4 TON M151. 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.