726726-4: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 3.695 INCHES MINIMUM AND 3.755 INCHES MAXIMUM IN, head_height: 0.388 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.890 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-077-3881, 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 8740 OVERALL |
| head_style | DOUBLE HEXAGON W/HOLE |
| grip_length | 3.695 INCHES MINIMUM AND 3.755 INCHES MAXIMUM IN |
| head_height | 0.388 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 0.890 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN |
| surface_finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| fastener_length | 4.645 INCHES NOMINAL IN |
| hardness_rating | 40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| special_features | 2 HOLES INTERSECTING 90 DEGREES APART |
| thread_direction | RIGHT-HAND |
| features_provided | FINISHED HEAD |
| NSN | 5306-01-077-3881 |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| EXTENDED WASHER THICKNESS | 0.091 INCHES NOMINAL IN |
| HEAD HEIGHT | 0.388 INCHES NOMINAL IN |
| FASTENER LENGTH | 4.645 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2401 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| EXTENDED WASHER DIAMETER | 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.890 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN |
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
No substitute or cross-reference records for this part.