KFN644-3: NUT,SELF-LOCKING,ROUND.
The NUT,SELF-LOCKING,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, lubrication: DRY FILM LUBRICANT, temp_rating: 450.0 FAHRENHEIT MAXIMUM DEGF, nut_diameter: 0.315 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_class: 3B, nut_thickness: 0.260 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-133-1099, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL OVERALL |
| lubrication | DRY FILM LUBRICANT |
| temp_rating | 450.0 FAHRENHEIT MAXIMUM DEGF |
| nut_diameter | 0.315 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| thread_class | 3B |
| nut_thickness | 0.260 INCHES MAXIMUM IN |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| hardness_rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| nominal_thread_size | 0.190 INCHES IN |
| NSN | 5310-01-133-1099 |
| LUBRICATION | DRY FILM LUBRICANT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| TEMP RATING | 450.0 FAHRENHEIT MAXIMUM DEGF |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.190 INCHES IN |
| NUT DIAMETER | 0.315 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| NUT THICKNESS | 0.260 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.