The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 0.625 INCHES NOMINAL IN, head_height: 0.156 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.375 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-087-1624, 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 | HEXAGON |
| grip_length | 0.625 INCHES NOMINAL IN |
| head_height | 0.156 INCHES NOMINAL IN |
| thread_class | 2A A |
| thread_length | 0.375 INCHES MAXIMUM IN |
| fastener_length | 0.375 INCHES NOMINAL IN |
| hardness_rating | 93.9 ROCKWELL B NOMINAL OVERALL |
| thread_direction | RIGHT-HAND |
| features_provided | FINISHED HEAD |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_between_flats | 0.425 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN |
| NSN | 5306-00-087-1624 |
| FEATURES PROVIDED | FINISHED HEAD |
| HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.400 INCHES MINIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-763 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-763 FED SPEC 6TH MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 75000 POUNDS PER SQUARE INCH LBS |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH BETWEEN FLATS | 0.425 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | HEXAGON |