55LH9638-8: NUT,SELF-LOCKING,EXTENDED WASHER.
NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL COMP 601 OVERALL, nut_style: DOUBLE HEXAGON, lubrication: SOLUBLE LUBRICANT, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.
Government catalog under NSN 5310-00-377-0657, 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 601 OVERALL |
| nut_style | DOUBLE HEXAGON |
| lubrication | SOLUBLE LUBRICANT |
| temp_rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.594 INCHES MAXIMUM IN |
| hardness_rating | 49.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.065 INCHES MINIMUM IN |
| surface_treatment | CADMIUM OVERALL |
| NSN | 5310-00-377-0657 |
| LUBRICATION | SOLUBLE LUBRICANT |
| OVERALL HEIGHT | 0.594 INCHES MAXIMUM IN |
| WASHER OUTSIDE DIAMETER | 0.830 INCHES MAXIMUM IN |
| WIDTH ACROSS FLATS | 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| TEMP RATING | 450.0 FAHRENHEIT NOMINAL DEGF |
| HARDNESS RATING | 49.0 ROCKWELL C MAXIMUM |
| WASHER THICKNESS | 0.065 INCHES MINIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 630 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6485 ASSN STD 3RD MATERIAL RESPONSE OR AMS 6487 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
No substitute or cross-reference records for this part.