The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-707-0428, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-707-0428 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANTDRY FILM LUBRICANT |
| Width Across Flats | 0.336 INCHES MINIMUM AND 0.336 INCHES MINIMUM AND 0.345 INCHES MAXIMUM0.345 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS2700,METHOD 1,CLASS 4 BEFORE DRY FILM LUBRICANT IAW AS5272 TYPE I NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNJCUNJC |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL450.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | AMS5640 AEROSPACE MATERIAL SPEC STD 1ST MATERIAL RESPONSE OR TYPE XM-7 OR 18-9LW PER ASTM A493 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 2ND MATERIAL RESPONSE OR AMS5647 AEROSPACE MATERIAL SPEC STD 3RD MATERIAL RESPONSE OR AMS5686 AEROSPACE MATERIAL SPEC STD 4TH MATERIAL RESPONSE OR TYPE X-21 PER ASTM A276 OR A286 PER AMS5732 OR AMS5737 NATIONAL STD/SPEC 5TH MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Nominal Thread Size | 0.1640 INCHES0.1640 INCHES IN |
| Specification/standard Data | 80205-NAS-21045 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PREVAILING TORQUEPREVAILING TORQUE |
| Nut Height | 0.219 INCHES MINIMUM AND 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM0.250 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM OVERALL |
| Nut Style | HEXAGONHEXAGON |
| Thread Class | 3B3B |
| Thread Quantity Per Inch | 3232 |
| Material | STEEL COMP 303 OR STEEL COMP XM-7 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| MS21045C08E | 3/2 Design control — primary reference U.S. Government activity |
| MS21045C08E | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-707-0428 is a Nut,self-Locking,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-707-0428: Lubrication: DRY FILM LUBRICANTDRY FILM LUBRICANT; Width Across Flats: 0.336 INCHES MINIMUM AND 0.336 INCHES MINIMUM AND 0.345 INCHES MAXIMUM0.345 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS2700,METHOD 1,CLASS 4 BEFORE DRY FILM LUBRICANT IAW AS5272 TYPE I NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNJCUNJC. 18 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.