KFN644-7: NUT,SELF-LOCKING,CLINCH.
The NUT,SELF-LOCKING,CLINCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_height: 0.515 INCHES NOMINAL IN, nut_diameter: 0.855 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), pilot_diameter: 0.474 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-497-7685, 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 |
| nut_height | 0.515 INCHES NOMINAL IN |
| nut_diameter | 0.855 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| pilot_diameter | 0.474 INCHES NOMINAL IN |
| hardness_rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL |
| nominal_thread_size | 0.437 INCHES IN |
| thread_quantity_per_inch | 20 |
| surface_treatment_document_and_classification | QQ-P-416 TYPE IICLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| NSN | 5310-01-497-7685 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE IICLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.437 INCHES IN |
| NUT DIAMETER | 0.855 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN |
| PILOT DIAMETER | 0.474 INCHES NOMINAL IN |
| NUT HEIGHT | 0.515 INCHES NOMINAL IN |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3B |
No substitute or cross-reference records for this part.