The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-287-6048, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-287-6048 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Supplementary Features | U/W NAS 513,NAS 559 AND NAS 1193LOCK WASHERS ON ROD END TERM. TO HYD PISTON |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Hole Configuration Style | CONFIGURATION B |
| Material Document and Classification | MIL-S-6758,COND F-4 G41300 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Specification/standard Data | 80205-NAS509 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nut Height | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Drilled Hole Diameter | 0.034 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Countersink Angle | 110.0 DEGREES NOMINAL BOTH ENDS |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4130 OVERALL |
| Bearing Surface Type | FLAT |
| Hole Type and Quantity | 3 DRILLED |
| 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 |
|---|---|
| NAS509L3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-287-6048 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-287-6048: Width Across Flats: 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN; Bearing Surface Finish: 125.0 MICROINCHES; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 21 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.