HK52738-5: NUT,SELF-LOCKING,EXTENDED WASHER.
NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: HEXAGON, lubrication: DRY FILM LUBRICANT, temp_rating: 800.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.
Government catalog under NSN 5310-01-419-5015, 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 | IRON ALLOY 660 OVERALL |
| nut_style | HEXAGON |
| lubrication | DRY FILM LUBRICANT |
| temp_rating | 800.0 FAHRENHEIT MAXIMUM DEGF |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| overall_height | 0.336 INCHES MAXIMUM IN |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| precious_material | SILVER |
| surface_treatment | SILVER OVERALL |
| NSN | 5310-01-419-5015 |
| LUBRICATION | DRY FILM LUBRICANT |
| OVERALL HEIGHT | 0.336 INCHES MAXIMUM IN |
| WASHER OUTSIDE DIAMETER | 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| WIDTH ACROSS FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE OR AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| PRECIOUS MATERIAL | SILVER |
| TEMP RATING | 800.0 FAHRENHEIT MAXIMUM DEGF |
| WASHER THICKNESS | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
No substitute or cross-reference records for this part.