The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-559-7007, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-559-7007 |
| Primary Part Number | 94645A270 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Width Across Flats | 30.0 MILLIMETERS NOMINAL MM |
| Thread Tolerance Class | 6H INTERNAL |
| Thread Series | M |
| Thread Pitch in Millimeters | 2.50 |
| Temp Rating | 248.0 FAHRENHEIT MAXIMUM DEGF |
| Hardness Rating | 32.0 ROCKWELL C NOMINAL |
| Material Document and Classification | DIN 985 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 20.0 MILLIMETERS MM |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 20.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC OVERALL EXCEPT INSERT |
| Nut Style | HEXAGON |
| Material | PLASTIC NYLON LOCKING INSERT |
| Material | STEEL PROPERTY CLASS 10.9 OVERALL EXCEPT INSERT |
| Bearing Surface Type | CHAMFERED OR FLAT |
| 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 |
|---|---|
| 94645A270 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5310-01-559-7007 is a Nut,self-Locking,hexagon, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-559-7007 has 1 manufacturer part number on file: 94645A270 (Mcmaster-Carr Supply Co).
Key specifications for 94645A270: Width Across Flats: 30.0 MILLIMETERS NOMINAL MM; Thread Tolerance Class: 6H INTERNAL; Thread Series: M; Thread Pitch in Millimeters: 2.50. 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.