The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-481-6488, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-481-6488 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 2.175 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.500 INCHES IN |
| Nut Height | 0.808 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 2298824-252 | 3/2 Design control — primary reference U.S. Government activity |
| 122-2422417 PIECE 252 | 5/9 Secondary reference U.S. Government activity |
| 2298824 | D/9 Drawing number reference only U.S. Government activity |
| 122-2298838 PIECE 252 | 5/2 Secondary reference U.S. Government activity |
| 122-2422395 PIECE 252 | 5/2 Secondary reference U.S. Government activity |
| 701-2298824 PIECE 252 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-481-6488 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-482-3973, 3040-01-482-3987. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-481-6488: Width Across Flats: 2.175 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.500 INCHES IN. 10 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.