The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-018-9141, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-018-9141 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 0.738 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Hole Configuration Style | CONFIGURATION B |
| Thread Pitch Diameters | +0.4675 TO 0.4717 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Height | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Drilled Hole Diameter | 0.470 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | CHAMFERED |
| Hole Type and Quantity | 3 DRILLED |
| 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 |
|---|---|
| 104125-3 | 3/2 Design control — primary reference U.S. Government activity |
| AN316C8R | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-018-9141 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-223-6553. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-018-9141: Width Across Flats: 0.738 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN; Thread Series: UNF; Hole Configuration Style: CONFIGURATION B; Thread Pitch Diameters: +0.4675 TO 0.4717 INCHES 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.