The Nut,plain,knurled, cataloged under National Stock Number 5310-00-208-8239, 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11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-208-8239 |
| Item Name | Nut,plain,knurled |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-A-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Nut Diameter | 0.625 INCHES NOMINAL IN |
| Nut Thickness | 0.187 INCHES NOMINAL IN |
| Countersink Angle | 45.0 DEGREES NOMINAL NUT |
| Nut Style | KNURLED |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 310 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 |
|---|---|
| 2847253 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 864212PC13 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5310-00-208-8239 is a Nut,plain,knurled, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-208-8239: Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-A-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.312 INCHES IN. 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.