The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-581-0440, 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 15 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 | 5310-01-581-0440 |
| Primary Part Number | 90576A104 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Width Across Flats | 8.0 MILLIMETERS NOMINAL MM |
| Thread Series | M |
| Thread Pitch in Millimeters | 0.80 |
| Temp Rating | 250.0 FAHRENHEIT MAXIMUM DEGF |
| Hardness Rating | 89.0 ROCKWELL B NOMINAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 5.0 MILLIMETERS MM |
| Specification/standard Data | D8286-DIN 985 NATIONAL STD/SPEC |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 5.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC OVERALL EXCEPT INSERT |
| Thread Class | 6 |
| Material | STEEL OVERALL EXCEPT INSERT |
| Material | PLASTIC LOCKING INSERT |
| Bearing Surface Type | 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 |
|---|---|
| 90576A104 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5310-01-581-0440 is a Nut,self-Locking,hexagon, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-581-0440 has 1 manufacturer part number on file: 90576A104 (Mcmaster-Carr Supply Co).
Key specifications for 90576A104: Width Across Flats: 8.0 MILLIMETERS NOMINAL MM; Thread Series: M; Thread Pitch in Millimeters: 0.80; Temp Rating: 250.0 FAHRENHEIT MAXIMUM DEGF. 15 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.