The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-560-6594, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-560-6594 |
| Primary Part Number | 91862A330 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Thread Series | UNEF |
| Nut Height | 0.094 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 91862A330 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 91862A330 | 5/9 Secondary reference Mcmaster Carr Supply Co |
NSN 5310-01-560-6594 is a Nut,self-Locking,hexagon, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-560-6594 has 1 manufacturer part number on file: 91862A330 (Mcmaster-Carr Supply Co).
Key specifications for 91862A330: Width Across Flats: 0.625 INCHES NOMINAL IN; Thread Series: UNEF; Nut Height: 0.094 INCHES NOMINAL IN; Special Features: 1/2 28 NEF SCREW SIZE AND THREAD TYPE 18-8 STAINLESS STEEL HEX NUT. 5 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.