623665: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.348 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.974 INCHES NOMINAL IN, fastener_length: 1.349 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-187-3914, 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 OVERALL |
| head_style | DOUBLE HEXAGON EXTENDED WASHER |
| head_height | 0.348 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 0.974 INCHES NOMINAL IN |
| fastener_length | 1.349 INCHES NOMINAL IN |
| hardness_rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| width_between_flats | 0.3750 INCHES NOMINAL IN |
| nominal_thread_diameter | 0.3125 INCHES IN |
| extended_washer_diameter | 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| minimum_tensile_strength | 180000 POUNDS PER SQUARE INCH LBS |
| NSN | 5306-01-187-3914 |
| EXTENDED WASHER THICKNESS | 0.082 INCHES NOMINAL IN |
| HEAD HEIGHT | 0.348 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.349 INCHES NOMINAL IN |
| EXTENDED WASHER DIAMETER | 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.974 INCHES NOMINAL IN |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES IN |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.