526876: BOLT,EXTERNALLY RELIEVED BODY.
The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.303 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.750 INCHES MINIMUM AND 0.821 INCHES MAXIMUM IN, fastener_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-418-9090, 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 630 OVERALL |
| head_style | DOUBLE HEXAGON W/HOLE |
| head_height | 0.303 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 0.750 INCHES MINIMUM AND 0.821 INCHES MAXIMUM IN |
| fastener_length | 1.250 INCHES NOMINAL IN |
| hardness_rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| special_features | 32.0 MICRO-INCH FINISH ON BEARING SURFACE OF HEAD, SHANK AND THREADS |
| thread_direction | RIGHT-HAND |
| width_between_flats | 0.3125 INCHES MINIMUM IN |
| nominal_thread_diameter | 0.250 INCHES IN |
| extended_washer_diameter | 0.438 INCHES NOMINAL IN |
| NSN | 5306-01-418-9090 |
| EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM IN |
| HEAD HEIGHT | 0.303 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.250 INCHES NOMINAL IN |
| EXTENDED WASHER DIAMETER | 0.438 INCHES NOMINAL IN |
| THREAD LENGTH | 0.750 INCHES MINIMUM AND 0.821 INCHES MAXIMUM IN |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| FIRST DIAMETER FROM HEAD | 0.222 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |