21516311: NUT,PLAIN,HEXAGON.
The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT, nut_style: HEXAGON, nut_height: 0.575 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.
Government catalog under NSN 5310-00-595-7421, 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 | PLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT |
| nut_style | HEXAGON |
| nut_height | 0.575 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| temp_rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL COARSE (UNC) |
| locking_feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| thread_direction | RIGHT-HAND |
| countersink_angle | 88.0 DEGREES NOMINAL NUT |
| surface_treatment | CADMIUM AND CHROMATE OVERALL EXCEPT INSERT |
| width_across_flats | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| nominal_thread_size | 0.500 INCHES IN |
| NSN | 5310-00-595-7421 |
| WIDTH ACROSS FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| BEARING SURFACE FINISH | 125.0 MICROINCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| TEMP RATING | 250.0 FAHRENHEIT NOMINAL DEGF |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693,COMP A,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.500 INCHES IN |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |