The Nut,self-Locking,spline, cataloged under National Stock Number 5310-01-542-6958, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-542-6958 |
| Item Name | Nut,self-Locking,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Width Across Flats | 0.405 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT MAXIMUM DEGF |
| Material Document and Classification | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS5514 ASSN STD 2ND MATERIAL RESPONSE BASE |
| Material Document and Classification | AMS5528 ASSN STD SINGLE MATERIAL RESPONSE BRACKET |
| Material Document and Classification | AMS5639 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Pilot Diameter | 0.296 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | MS14210 REFERENCE NUMBER |
| Pilot Length | 0.161 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.499 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | SPLINE (FLOATING) |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 304 OVERALL |
| Material | STEEL COMP 631 BRACKET |
| Material | IRON ALLOY NUT |
| Material | STEEL COMP 305 BASE |
| 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 |
|---|---|
| 6393634 FIND 002 | 5/1 Secondary reference Naval Sea Systems Command |
| 6392333 FIND 006 | 5/1 Secondary reference Naval Sea Systems Command |
| MS14210-L3-8 | 2/2 Government specification standardization U.S. Government activity |
| 6393920 FIND 005 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5310-01-542-6958 is a Nut,self-Locking,spline, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-542-6958: Lubrication: DRY FILM LUBRICANT; Width Across Flats: 0.405 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 25 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.