MILB7874: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: HEXAGON, grip_length: 1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.516 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-721-5857, 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 | IRON ALLOY 660 OVERALL |
| head_style | HEXAGON |
| grip_length | 1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM IN |
| head_height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| thread_class | 3A A |
| thread_length | 0.516 INCHES NOMINAL IN |
| fastener_length | 2.250 INCHES MINIMUM AND 2.297 INCHES MAXIMUM IN |
| special_features | TEMP RATING 1200 DEGREES FAHRENHEIT |
| thread_direction | RIGHT-HAND |
| width_between_flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.250 INCHES IN |
| minimum_tensile_strength | 5400 POUNDS PER SQUARE INCH LBS |
| NSN | 5306-00-721-5857 |
| HEAD HEIGHT | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.297 INCHES NOMINAL IN |
| THREAD LENGTH | 0.422 INCHES MINIMUM IN |
| HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| FEATURES PROVIDED | FINISHED HEAD |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 0.875 INCHES NOMINAL IN |
| WIDTH BETWEEN FLATS | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |