JL8S720B-UN: NUT,SELF-LOCKING,HEXAGON.
The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, nut_style: HEXAGON, nut_height: 0.325 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, temp_rating: 550.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-202-0663, 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 | HEXAGON |
| nut_height | 0.325 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| lubrication | DRY FILM LUBRICANT |
| temp_rating | 550.0 FAHRENHEIT NOMINAL DEGF |
| thread_class | 3B |
| thread_series | UNF |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| special_features | DRILL 2 SAFETY WIRE HOLES 0.042 IN. MIN 0.052 IN. MAX IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT |
| NSN | 5310-00-202-0663 |
| LUBRICATION | DRY FILM LUBRICANT |
| WIDTH ACROSS FLATS | 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNF |
| TEMP RATING | 550.0 FAHRENHEIT NOMINAL DEGF |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.438 INCHES IN |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
No substitute or cross-reference records for this part.