EWN22-8: NUT,SELF-LOCKING,EXTENDED WASHER.
NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL OVERALL, nut_style: DOUBLE HEXAGON, nut_height: 0.655 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-405-1413, 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 | DOUBLE HEXAGON |
| nut_height | 0.655 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN |
| lubrication | DRY FILM LUBRICANT |
| temp_rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.665 INCHES MAXIMUM IN |
| hardness_rating | 27.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.155 INCHES MINIMUM IN |
| NSN | 5310-00-405-1413 |
| OVERALL HEIGHT | 0.655 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN |
| WASHER OUTSIDE DIAMETER | 0.985 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN |
| WIDTH ACROSS FLATS | 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| THREAD SERIES | UNF |
| TEMP RATING | 550.0 FAHRENHEIT NOMINAL DEGF |
| WASHER THICKNESS | 0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6280 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| FEATURES PROVIDED | CASEHARDENED |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.500 INCHES IN |
No substitute or cross-reference records for this part.