J643P09B: BOLT,EXTERNALLY RELIEVED BODY.
The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN, thread_class: 3A A, hole_diameter: 0.047 INCHES NOMINAL IN, thread_length: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-179-1440, 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 | DOUBLE HEXAGON W/HOLE |
| head_height | 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| thread_class | 3A A |
| hole_diameter | 0.047 INCHES NOMINAL IN |
| thread_length | 0.625 INCHES NOMINAL IN |
| fastener_length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| width_between_flats | 0.250 INCHES NOMINAL IN |
| nominal_thread_diameter | 0.190 INCHES IN |
| extended_washer_diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| first_diameter_from_head | 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| NSN | 5306-01-179-1440 |
| EXTENDED WASHER THICKNESS | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| EXTENDED WASHER DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.625 INCHES NOMINAL IN |
| HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| FIRST DIAMETER FROM HEAD | 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.