A51B25551-11: BOLT,SHOULDER.
The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, head_style: ROUND W/WRENCH FLATS, head_height: 0.215 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 1.200 INCHES NOMINAL IN, thread_length: 0.760 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-003-9043, 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 4340 OVERALL |
| head_style | ROUND W/WRENCH FLATS |
| head_height | 0.215 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 1.200 INCHES NOMINAL IN |
| thread_length | 0.760 INCHES MINIMUM IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 1.650 INCHES NOMINAL IN |
| hardness_rating | 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| shoulder_length | 0.850 INCHES NOMINAL FIRST SHOULDER IN |
| special_features | THREADED END FLATTED 0.290 IN. MIN,0.300 IN. MAX W IN |
| thread_direction | RIGHT-HAND |
| NSN | 5306-00-003-9043 |
| HEAD HEIGHT | 0.215 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.650 INCHES NOMINAL IN |
| SHOULDER LENGTH | 0.850 INCHES NOMINAL FIRST SHOULDER IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SHOULDER DIAMETER | 0.5595 INCHES MINIMUM AND 0.5601 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 0.760 INCHES MINIMUM IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| SHANK UNTHREADED HOLE DIAMETER | 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
No substitute or cross-reference records for this part.