A51H20552-11: NUT,PLAIN,HEXAGON.
The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-12 OVERALL, nut_style: HEXAGON, nut_height: 0.343 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), hardness_rating: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-003-3886, 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 XM-12 OVERALL |
| nut_style | HEXAGON |
| nut_height | 0.343 INCHES NOMINAL IN |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| hardness_rating | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| thread_direction | RIGHT-HAND |
| countersink_angle | 120.0 DEGREES NOMINAL NUT |
| surface_treatment | PASSIVATE OVERALL |
| width_across_flats | 0.986 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN |
| nominal_thread_size | 0.625 INCHES IN |
| bearing_surface_type | CHAMFERED |
| NSN | 5310-00-003-3886 |
| WIDTH ACROSS FLATS | 0.986 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN |
| BEARING SURFACE FINISH | 125.0 MICROINCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| HOLE CONFIGURATION STYLE | CONFIGURATION B |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.625 INCHES IN |
| NUT HEIGHT | 0.343 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.