ST3M744-12D57: BOLT,CLOSE TOLERANCE.
The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 3.563 INCHES NOMINAL IN, head_height: 0.400 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 1.031 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-477-7392, 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-13 OVERALL |
| head_style | SPLINE DRIVE SHEAR HEAD |
| grip_length | 3.563 INCHES NOMINAL IN |
| head_height | 0.400 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 1.031 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN |
| thread_length | 0.572 INCHES NOMINAL IN |
| fastener_length | 4.125 INCHES MINIMUM AND 4.145 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | PASSIVATE OVERALL |
| head_minor_diameter | 1.097 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN |
| end_item_identification | F18 E/F |
| NSN | 5306-01-477-7392 |
| HEAD HEIGHT | 0.400 INCHES NOMINAL IN |
| FASTENER LENGTH | 4.125 INCHES MINIMUM AND 4.145 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.572 INCHES NOMINAL IN |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FASTENER IN |
| CRITICALITY CODE JUSTIFICATION | AGAV |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES IN |
| HEAD STYLE | SPLINE DRIVE SHEAR HEAD |
| THREAD DIRECTION | RIGHT-HAND |