The Underbody Shield, cataloged under National Stock Number 2540-01-476-0522, 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 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2540-01-476-0522 |
| Primary Part Number | 57K3494 |
| Item Name | Underbody Shield |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Special Test Features | ADDITIONAL PARTS: SCREW, P/N 9428795 (QTY 5);SCREW, P/N 9430677 (QTY 12);SCREW, P/N 9430724 (QTY 1) |
| Supplementary Features | THIS KIT IS APPLICABLE TO 1-1/4 TON TRUCK M1113 WITHOUT HYDRAULIC WINCH |
| Specification/standard Data | DOD-STD-00100D GOVERNMENT STANDARD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 57K3494 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2540-01-476-0522 is a Underbody Shield, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-476-0522 has 1 manufacturer part number on file: 57K3494 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 57K3494: Special Test Features: ADDITIONAL PARTS: SCREW, P/N 9428795 (QTY 5);SCREW, P/N 9430677 (QTY 12);SCREW, P/N 9430724 (QTY 1); Supplementary Features: THIS KIT IS APPLICABLE TO 1-1/4 TON TRUCK M1113 WITHOUT HYDRAULIC WINCH; Specification/standard Data: DOD-STD-00100D GOVERNMENT STANDARD; Special Features: KIT IS COMPRISED OF: SPACER, REAR, P/N 12338186-69 (QTY 9);SHIELD ASSEMBLY, FRONT, P/N 12447142 (QTY 1);SHIELD ASSEMBLY, INTMD, P/N 12447143 (QTY 1);SHIELD ASSEMBLY, REAR, P/N 12528655 (QTY 1);BRACKET, REAR MOUNTING, P/N 12528656 (QTY 3);BRACKET ASSEMBLY, LH, SHIELD, P/N 12447146 (QTY 1);BRACKET ASSEMBLY, RH, P/N 12447147 (QTY 1);BRACKET, TUBE SUPPORT, P/N 12447148 (QTY 2);WASHER, SPECIAL, P/N 12447149 (QTY 4);SHIELD, FUEL TANK, P/N 12447150 (QTY 1);SHIELD TRANSFER CASE, P/N 12447151 (QTY 1);SKID PLATE, P/N 12447164 (QTY 1);SCREW, P/N 12460145-1 (QTY 1);SCREW, P/N 12460145-2 (QTY 1);INSTALLATION INSTRUCTIONS, P/N 12460291 (QTY 1);NUT, P/N MS1943-33 (QTY 18);NUT, P/N MS51943-35 (QTY 20);NUT, P/N MS51943-39 (QTY 4);SCREW, P/N B1821BH038C100N (QTY 5);SCREW, P/N B1821BH038C113N (QTY 7);SCREW, P/N B1821BH038C150N (QTY 2);SCREW, P/N B1821BH031C300N (QTY 6);WASHER,P/N 2436162 (QTY 36);WASHER,P/N2436163(QTY40);NUT,P/N9422299(QTY4). 3 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.
NSN 2540-01-476-0522 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.