3M381-9D31: BOLT,SHOULDER.
The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL, head_style: DISHED HEXAGON, head_height: 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.782 INCHES MINIMUM AND 0.832 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-326-5091, 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 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| head_style | DISHED HEXAGON |
| head_height | 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| thread_class | 3A A |
| thread_length | 0.782 INCHES MINIMUM AND 0.832 INCHES MAXIMUM IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 2.763 INCHES MINIMUM AND 2.793 INCHES MAXIMUM IN |
| shoulder_length | 1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM FIRST SHOULDER IN |
| thread_direction | RIGHT-HAND |
| shoulder_diameter | 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER IN |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_between_flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| NSN | 5306-00-326-5091 |
| HEAD HEIGHT | 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| FASTENER LENGTH | 2.763 INCHES MINIMUM AND 2.793 INCHES MAXIMUM IN |
| SHOULDER LENGTH | 1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM FIRST SHOULDER IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SHOULDER DIAMETER | 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 0.782 INCHES MINIMUM AND 0.832 INCHES MAXIMUM IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.562 INCHES IN |
No substitute or cross-reference records for this part.