The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-073-8613, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pilatus Aircraft Ltd. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-073-8613 |
| Primary Part Number | 938.07.18.144 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pilatus Aircraft Ltd |
| Status | ACTIVE |
| Width Across Flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH METALLIC INSERT |
| Nut Height | 0.312 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 938.07.18.144 | Pilatus Aircraft Ltd (CHE) |
| Reference | Meaning |
|---|---|
| AN365-428 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-073-8613 is a Nut,self-Locking,hexagon, manufactured by Pilatus Aircraft Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-073-8613 has 1 manufacturer part number on file: 938.07.18.144 (Pilatus Aircraft Ltd).
Key specifications for 938.07.18.144: Width Across Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Thread Series: UNF; Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF; Thread Direction: RIGHT-HAND. 11 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.