The Nut,plain,single Ball Seat,hexag, cataloged under National Stock Number 5310-01-045-3708, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-045-3708 |
| Item Name | Nut,plain,single Ball Seat,hexag |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 1.485 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 TY 2 CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Nut Height | 0.870 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN |
| Ball Seat Radius | 0.875 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nut Style | SINGLE BALL SEAT, HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL 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 |
|---|---|
| MS51983-5 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-045-3708 is a Nut,plain,single Ball Seat,hexag, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-045-3708: Width Across Flats: 1.485 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 TY 2 CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Series: UNF; Thread Direction: LEFT-HAND. 12 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.