The Nut,plain,round, cataloged under National Stock Number 5310-01-502-7767, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-502-7767 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Supplementary Features | APPROX WEIGHT 11.42 LB PER 100 LBS |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Drive Point Width | 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Nominal Thread Size | 1.9375 INCHES IN |
| Nut Diameter | 2.367 INCHES MINIMUM AND 2.373 INCHES MAXIMUM IN |
| Drive Point Depth | 0.025 INCHES NOMINAL IN |
| Nut Thickness | 0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN |
| Drive Point Quantity | 8 |
| 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 | X |
| Reference | Meaning |
|---|---|
| MS9951-27 | 5/1 Secondary reference Rolls-Royce Corporation |
| MS9951-27 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-502-7767 is a Nut,plain,round, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-502-7767: Thread Series: UNIFIED NATIONAL JOINT (UNJ); Supplementary Features: APPROX WEIGHT 11.42 LB PER 100 LBS; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; Drive Point Width: 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN. 13 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.