H14-640: NUT,SELF-LOCKING,EXTENDED WASHER.
NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include nut_style: HEXAGON, lubrication: DRY FILM LUBRICANT, temp_rating: 500.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF, overall_height: 0.141 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5310-01-365-4890, 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 1050 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 4037 OR STEEL COMP 4027 OR STEEL COMP 8740 OVERALL |
| nut_style | HEXAGON |
| lubrication | DRY FILM LUBRICANT |
| temp_rating | 500.0 FAHRENHEIT NOMINAL DEGF |
| thread_class | 3B |
| thread_series | UNF |
| overall_height | 0.141 INCHES MAXIMUM IN |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.032 INCHES NOMINAL IN |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_across_flats | 0.156 INCHES NOMINAL IN |
| NSN | 5310-01-365-4890 |
| LUBRICATION | DRY FILM LUBRICANT |
| OVERALL HEIGHT | 0.141 INCHES MAXIMUM IN |
| WASHER OUTSIDE DIAMETER | 0.244 INCHES MAXIMUM IN |
| WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNF |
| TEMP RATING | 500.0 FAHRENHEIT NOMINAL DEGF |
| WASHER THICKNESS | 0.032 INCHES NOMINAL IN |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.138 INCHES IN |