The Nut,self-Locking,round, cataloged under National Stock Number 5310-01-089-0651, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-089-0651 |
| Item Name | Nut,self-Locking,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Hardness Rating | 29.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.375 INCHES IN |
| Nut Diameter | 2.850 INCHES MINIMUM AND 2.870 INCHES MAXIMUM IN |
| Drive Point Depth | 0.145 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN |
| Nut Thickness | 0.465 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| LHBR11483-3816 | C/1 Advisory reference — outside the item-of-supply concept Esna, Llc |
| LHBR11483-3816 | 5/9 Secondary reference Harvard Industries Inc |
| 81975-3816 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| SL7644 | 3/9 Design control — primary reference U.S. Government activity |
| 4040T71P01 | 5/2 Secondary reference U.S. Government activity |
| 81975-3816 | 5/9 Secondary reference U.S. Government activity |
| 4040T71P03 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5310-01-089-0651 is a Nut,self-Locking,round, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-089-0651: Thread Series: UNIFIED NATIONAL JOINT (UNJ); Hardness Rating: 29.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM; Material Document and Classification: AMS6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Drive Point Width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. 15 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.