42FLW-624: NUT,SELF-LOCKING,EXTENDED WASHER.
NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL OVERALL, nut_style: DOUBLE HEXAGON, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-813-3653, 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 |
| temp_rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| hardness_rating | 34.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| locking_feature | FREE-RUNNING ALL METAL DESIGN |
| special_features | USED ON (97153) 3-1505 WHEEL ASSY'S OF F-16 NLG ACFT |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.046 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN |
| surface_treatment | CADMIUM OVERALL |
| NSN | 5310-00-813-3653 |
| LUBRICATION | SOLUBLE LUBRICANT |
| OVERALL HEIGHT | 0.438 INCHES MAXIMUM IN |
| WASHER OUTSIDE DIAMETER | 0.654 INCHES MAXIMUM IN |
| WIDTH ACROSS FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| TEMP RATING | 450.0 FAHRENHEIT NOMINAL DEGF |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| WASHER THICKNESS | 0.056 INCHES MINIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6280 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 3RD MATERIAL RESPONSE OVERALL |