187979: BOLT,ASSEMBLED WASHER.
The BOLT,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.650 INCHES MINIMUM IN, fastener_length: 0.750 INCHES NOMINAL IN, hardness_rating: 60.6 ROCKWELL B MINIMUM AND 67.6 ROCKWELL B MAXIMUM OVERALL. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-018-7979, 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 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL |
| head_style | HEXAGON |
| head_height | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| thread_class | 2A A |
| thread_length | 0.650 INCHES MINIMUM IN |
| fastener_length | 0.750 INCHES NOMINAL IN |
| hardness_rating | 60.6 ROCKWELL B MINIMUM AND 67.6 ROCKWELL B MAXIMUM OVERALL |
| washer_quantity | 1 |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OR ZINC OVERALL |
| width_between_flats | 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| primary_washer_style | FLAT EXTERNAL TEETH |
| NSN | 5306-00-018-7979 |
| HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.750 INCHES NOMINAL IN |
| THREAD LENGTH | 0.650 INCHES MINIMUM IN |
| HARDNESS RATING | 60.6 ROCKWELL B MINIMUM AND 67.6 ROCKWELL B MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | HEXAGON |
| PRIMARY WASHER STYLE | FLAT EXTERNAL TEETH |
| THREAD DIRECTION | RIGHT-HAND |
| PRIMARY WASHER MATERIAL THICKNESS | 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |