665619: NUT,SELF-LOCKING,EXTENDED WASHER.
NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL COMP 8740 OVERALL, nut_style: DOUBLE HEXAGON, lubrication: DRY FILM LUBRICANT, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.687 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-015-1694, 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 COMP 8740 OVERALL |
| nut_style | DOUBLE HEXAGON |
| lubrication | DRY FILM LUBRICANT |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.687 INCHES MAXIMUM IN |
| hardness_rating | 38.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.120 INCHES NOMINAL IN |
| countersink_angle | 90.0 DEGREES NOMINAL NUT |
| surface_treatment | CADMIUM OVERALL |
| NSN | 5310-01-015-1694 |
| LUBRICATION | DRY FILM LUBRICANT |
| OVERALL HEIGHT | 0.687 INCHES MAXIMUM IN |
| WASHER OUTSIDE DIAMETER | 0.953 INCHES MINIMUM AND 0.973 INCHES MAXIMUM IN |
| WIDTH ACROSS FLATS | 0.772 INCHES MINIMUM AND 0.783 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| WASHER THICKNESS | 0.120 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.