The Nut,plain,round, cataloged under National Stock Number 5310-01-081-0148, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-081-0148 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Drive Point Width | 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Diameter | 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN |
| Drive Point Depth | 0.070 INCHES NOMINAL IN |
| Undercut Thickness | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Nut Thickness | 0.364 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Small End Diameter | 0.580 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE OVERALL |
| Countersink Angle | 118.0 DEGREES MINIMUM AND 122.0 DEGREES MAXIMUM NUT |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| 4067T06P01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-081-0148 is a Nut,plain,round, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-081-0148: Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Drive Point Width: 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Nominal Thread Size: 0.375 INCHES IN; Nut Diameter: 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN. 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.