The Nut,plain,round, cataloged under National Stock Number 5310-00-841-0281, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-841-0281 |
| Primary Part Number | 8351739 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNS |
| Hardness Rating | 24.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM |
| Thread Pitch Diameters | +2.3239 TO 2.3290 INCHES IN |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 2.359 INCHES IN |
| Nut Diameter | 3.141 INCHES MINIMUM AND 3.161 INCHES MAXIMUM IN |
| Drive Point Depth | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Undercut Thickness | 0.220 INCHES NOMINAL IN |
| Nut Thickness | 0.680 INCHES NOMINAL IN |
| Small End Diameter | 2.460 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 1141 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 |
|---|---|
| 8351739 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5310008410281 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5310-00-841-0281 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 5310-00-841-0281 has 1 manufacturer part number on file: 8351739 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8351739: Surface Treatment Document and Classification: MIL-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNS; Hardness Rating: 24.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM; Thread Pitch Diameters: +2.3239 TO 2.3290 INCHES IN. 18 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.