89LM1711-1: BOLT,INTERNALLY RELIEVED BODY.
The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 4340 OVERALL, head_style: HEXAGON, head_height: 0.312 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.989 INCHES MINIMUM IN, fastener_length: 3.219 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-370-7108, 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 E4340 OR STEEL COMP 4340 OVERALL |
| head_style | HEXAGON |
| head_height | 0.312 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 0.989 INCHES MINIMUM IN |
| fastener_length | 3.219 INCHES NOMINAL IN |
| hardness_rating | 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| style_designator | CONCENTRIC HOLE UNTHREADED |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL |
| width_between_flats | 1.875 INCHES NOMINAL IN |
| nominal_thread_diameter | 1.250 INCHES IN |
| NSN | 5306-00-370-7108 |
| HEAD HEIGHT | 0.312 INCHES NOMINAL IN |
| FASTENER LENGTH | 3.219 INCHES NOMINAL IN |
| THREAD LENGTH | 0.989 INCHES MINIMUM IN |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| SHANK UNTHREADED HOLE DIAMETER | 0.138 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE IN |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| NOMINAL THREAD DIAMETER | 1.250 INCHES IN |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 1.875 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.