MS9556-15: BOLT,MACHINE.
The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 0.372 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN, head_height: 0.260 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.630 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-113-6239, 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 | DOUBLE HEXAGON W/HOLE |
| grip_length | 0.372 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN |
| head_height | 0.260 INCHES NOMINAL IN |
| thread_class | 3A A |
| thread_length | 0.630 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| surface_finish | 32.0 MICROINCHES GRIP |
| fastener_length | 1.062 INCHES NOMINAL IN |
| hardness_rating | 248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| features_provided | FINISHED HEAD |
| width_between_flats | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| NSN | 5306-00-113-6239 |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| EXTENDED WASHER THICKNESS | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.260 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.062 INCHES NOMINAL IN |
| EXTENDED WASHER DIAMETER | 0.375 INCHES NOMINAL IN |
| THREAD LENGTH | 0.630 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| HARDNESS RATING | 248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
No substitute or cross-reference records for this part.