The Nut,plain,round, cataloged under National Stock Number 5310-01-179-3756, 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 14 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 | 5310-01-179-3756 |
| Primary Part Number | 12323621 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Thread Tolerance Class | 6H INTERNAL |
| Surface Treatment Document and Classification | MIL-P-16232,TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | M |
| Thread Pitch in Millimeters | 1.00 |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | MIL-S-46172,COND. ANNEALED,GRADE B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 10.0 MILLIMETERS MM |
| Nut Diameter | 295.0 MILLIMETERS NOMINAL MM |
| Nut Thickness | 55.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | PHOSPHATE OVERALL |
| Drive Point Quantity | 1 |
| Nut Style | ROUND |
| Material | STEEL COMP 4340 OVERALL |
| 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 |
|---|---|
| 12323621 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5310-01-179-3756 is a Nut,plain,round, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-179-3756 has 1 manufacturer part number on file: 12323621 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12323621: Thread Tolerance Class: 6H INTERNAL; Surface Treatment Document and Classification: MIL-P-16232,TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: M; Thread Pitch in Millimeters: 1.00. 14 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.