The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: SQUARE, grip_length: 1.750 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 5306-00-042-6937, 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 | 1.750 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 | 3.000 INCHES NOMINAL IN |
| hardness_rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | ZINC OVERALL |
| width_between_flats | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.500 INCHES IN |
| NSN | 5306-00-042-6937 |
| WIDTH BETWEEN FLATS | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | SQUARE |
| FASTENER LENGTH | 3.000 INCHES NOMINAL IN |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| GRIP LENGTH | 1.750 INCHES NOMINAL IN |
| SURFACE TREATMENT | ZINC OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE-J429 GR1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THREAD CLASS | 2A A |
| THREAD QUANTITY PER INCH | 13 |