The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-957-4253, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 17 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 | 5310-00-957-4253 |
| Primary Part Number | 10923170 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Across Flats | 2.500 INCHES NOMINAL IN |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UN |
| Material Document and Classification | QQ-A-325 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.031 INCHES NOMINAL NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.625 INCHES IN |
| Counterbore Diameter | 1.656 INCHES MINIMUM AND 1.666 INCHES MAXIMUM NUT IN |
| Nut Height | 0.500 INCHES NOMINAL IN |
| Surface Treatment | OXIDE FILM OVERALL |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM NUT |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10923170 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5310-00-957-4253 is a Nut,plain,hexagon, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-957-4253 has 1 manufacturer part number on file: 10923170 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10923170: Width Across Flats: 2.500 INCHES NOMINAL IN; Bearing Surface Finish: 125.0 MICROINCHES; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UN. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.