The Retainer,nut and Bolt, cataloged under National Stock Number 5340-01-178-7250, 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. Government technical data includes 4 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-178-7250 |
| Primary Part Number | 12288191 |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Supplementary Features | ONE HOLE 0.409 IN. DIA ON END AND CUT OUT NOTCH 0.790 IN. BY 0.750 IN. ON OPPOSITE END IN |
| Material Document and Classification | AISI 1035 ASSN STD SINGLE MATERIAL RESPONSE |
| Material Thickness | 0.120 INCHES NOMINAL IN |
| Material | STEEL COMP 1035 |
| 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 |
|---|---|
| 12288191 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5340-01-178-7250 is a Retainer,nut and Bolt, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-178-7250 has 1 manufacturer part number on file: 12288191 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12288191: Overall Height: 1.380 INCHES NOMINAL IN; Supplementary Features: ONE HOLE 0.409 IN. DIA ON END AND CUT OUT NOTCH 0.790 IN. BY 0.750 IN. ON OPPOSITE END IN; Material Document and Classification: AISI 1035 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 1.700 INCHES NOMINAL IN. 4 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.