The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: SQUARE, grip_length: 2.750 INCHES NOMINAL IN, head_height: 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-042-6938, 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 OVERALL |
| head_style | SQUARE |
| grip_length | 2.750 INCHES NOMINAL IN |
| head_height | 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| thread_class | 2A A |
| thread_length | 1.250 INCHES MINIMUM IN |
| fastener_length | 4.000 INCHES NOMINAL IN |
| hardness_rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| features_provided | UNFINISHED HEAD |
| surface_treatment | CADMIUM OR ZINC OVERALL |
| width_between_flats | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| NSN | 5306-00-042-6938 |
| NOMINAL THREAD DIAMETER | 0.500 INCHES IN |
| WIDTH BETWEEN FLATS | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| THREAD QUANTITY PER INCH | 13 |
| FASTENER LENGTH | 4.000 INCHES NOMINAL IN |
| THREAD LENGTH | 1.250 INCHES MINIMUM IN |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH LBS |
| GRIP LENGTH | 2.750 INCHES NOMINAL IN |
| THREAD DIRECTION | RIGHT-HAND |
| FEATURES PROVIDED | UNFINISHED HEAD |