The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-080-0026, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-080-0026 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM MM |
| Thread Tolerance Class | 6H INTERNAL |
| Thread Series | ISO M |
| Thread Pitch in Millimeters | 1.25 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 8.0 MILLIMETERS MM |
| Nut Height | 9.64 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM |
| Countersink Angle | 120.0 DEGREES NOMINAL BOTH ENDS |
| Nut Style | HEXAGON |
| Material | COPPER ALLOY 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 |
|---|---|
| 69537 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
| 695373 | 3/9 Design control — primary reference Davey Compressor Co Div of Keco Industries Inc |
NSN 5310-01-080-0026 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): 2530-01-243-4744, 2510-01-472-9725. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-080-0026: Width Across Flats: 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM MM; Thread Tolerance Class: 6H INTERNAL; Thread Series: ISO M; Thread Pitch in Millimeters: 1.25. 11 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.