The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-262-4978, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-262-4978 |
| Primary Part Number | 79234PC7 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Width Across Flats | 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Hole Configuration Style | CONFIGURATION A |
| Material Document and Classification | MIL-S-16124,CLASS 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Drilled Hole Diameter | 0.0615 INCHES NOMINAL IN |
| Countersink Angle | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1117 OR STEEL COMP 1118 OVERALL |
| Bearing Surface Type | FLAT |
| Hole Type and Quantity | 1 DRILLED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 79234PC7 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| SP8710 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5310-00-262-4978 is a Nut,plain,hexagon, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-262-4978 has 1 manufacturer part number on file: 79234PC7 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 79234PC7: Width Across Flats: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Bearing Surface Finish: 125.0 MICROINCHES; Thread Series: UNIFIED NATIONAL COARSE (UNC); Hole Configuration Style: CONFIGURATION A. 16 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.