The Nut,plain,clinch, cataloged under National Stock Number 5310-01-505-2676, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-505-2676 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 0.312 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Pilot Diameter | 0.259 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN |
| Nut Height | 0.383 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN |
| Nut Style | CLINCH |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 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 |
|---|---|
| 70-2733508-7 | 7/2 Vendor item drawing reference General Dynamics Mission Systems, Inc. |
| RCN65HE(093)2 | 3/9 Design control — primary reference Radio Component Corp |
| 70-2733508 | D/9 Drawing number reference only General Dynamics Mission Systems, Inc. |
NSN 5310-01-505-2676 is a Nut,plain,clinch, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-505-5353. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-505-2676: Width Across Flats: 0.312 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Pilot Diameter: 0.259 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN. 8 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.