12256674-1: BOLT,SHOULDER.
The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OVERALL, head_style: HEXAGON, head_height: 0.340 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.810 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-105-0537, 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 1035 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OVERALL |
| head_style | HEXAGON |
| head_height | 0.340 INCHES NOMINAL IN |
| thread_class | 2A A |
| thread_length | 0.810 INCHES NOMINAL IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 3.900 INCHES NOMINAL IN |
| hardness_rating | 20.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM OVERALL |
| shoulder_length | 3.090 INCHES NOMINAL FIRST SHOULDER IN |
| thread_direction | RIGHT-HAND |
| shoulder_diameter | 0.625 INCHES NOMINAL FIRST SHOULDER IN |
| surface_treatment | ZINC AND CHROMATE OVERALL |
| NSN | 5306-01-105-0537 |
| HEAD HEIGHT | 0.340 INCHES NOMINAL IN |
| FASTENER LENGTH | 3.900 INCHES NOMINAL IN |
| SHOULDER LENGTH | 3.090 INCHES NOMINAL FIRST SHOULDER IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SHOULDER DIAMETER | 0.625 INCHES NOMINAL FIRST SHOULDER IN |
| THREAD LENGTH | 0.810 INCHES NOMINAL IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| HARDNESS RATING | 20.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA576 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES IN |
No substitute or cross-reference records for this part.