The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.319 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.408 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, fastener_length: 4.023 INCHES NOMINAL IN, width_between_flats: 0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-076-4205, 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.
| head_style | DOUBLE HEXAGON W/HOLE |
| head_height | 0.319 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 0.408 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| fastener_length | 4.023 INCHES NOMINAL IN |
| width_between_flats | 0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| extended_washer_diameter | 0.580 INCHES NOMINAL IN |
| fifth_diameter_from_head | 0.312 INCHES NOMINAL IN |
| first_diameter_from_head | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| third_diameter_from_head | 0.309 INCHES NOMINAL IN |
| extended_washer_thickness | 0.050 INCHES NOMINAL IN |
| fourth_diameter_from_head | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| NSN | 5306-00-076-4205 |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.840 INCHES NOMINAL IN |
| FASTENER LENGTH | 4.023 INCHES NOMINAL IN |
| WIDTH BETWEEN FLATS | 0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| THIRD DIAMETER FROM HEAD | 0.309 INCHES NOMINAL IN |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 2.150 INCHES NOMINAL IN |
| FIFTH DIAMETER FROM HEAD | 0.312 INCHES NOMINAL IN |
| FOURTH DIAMETER FROM HEAD | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| EXTENDED WASHER THICKNESS | 0.050 INCHES NOMINAL IN |
| FIRST DIAMETER FROM HEAD | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| THREAD CLASS | 3A A |