FN12-108: NUT,SELF-LOCKING,EXTENDED WASHER.
NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.407 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-008-7796, 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_style | HEXAGON |
| temp_rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.407 INCHES MAXIMUM IN |
| hardness_rating | 45.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| special_features | USED ON F-111 |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.105 INCHES MINIMUM IN |
| surface_treatment | CADMIUM OVERALL |
| NSN | 5310-01-008-7796 |
| OVERALL HEIGHT | 0.407 INCHES MAXIMUM IN |
| WASHER OUTSIDE DIAMETER | 1.027 INCHES MAXIMUM IN |
| WIDTH ACROSS FLATS | 0.806 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| TEMP RATING | 450.0 FAHRENHEIT NOMINAL DEGF |
| HARDNESS RATING | 45.0 ROCKWELL C MAXIMUM |
| WASHER THICKNESS | 0.105 INCHES MINIMUM IN |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.625 INCHES IN |
No substitute or cross-reference records for this part.