The Bracket,mounting, cataloged under National Stock Number 5340-00-475-1256, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-475-1256 |
| Primary Part Number | 10921177 |
| Item Name | Bracket,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 10921177 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 10921177 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 10921177 | 5/9 Secondary reference General Motors Corp |
NSN 5340-00-475-1256 is a Bracket,mounting, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-475-1256 has 1 manufacturer part number on file: 10921177 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10921177: Special Features: CONSISTS OF:MATERIAL,ALUMINUM ALLOY 6061 TEMPER T6 SPEC QQ-A-250/11;OPTIONAL MATERIAL,ALUMINUM ALLOY 5083 TEMPER H321 SPEC QQ-A-250/6;PART IS 37.562 IN LG,1.000 IN H IN. 0 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 5340-00-475-1256 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.