The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.468 INCHES NOMINAL IN, fastener_length: 0.656 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-144-3704, 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 |
| head_height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| thread_class | 3A A |
| thread_length | 0.468 INCHES NOMINAL IN |
| fastener_length | 0.656 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| width_between_flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.250 INCHES IN |
| thread_quantity_per_inch | 28 |
| thread_series_designator | UNF |
| shank_unthreaded_hole_diameter | 0.076 INCHES NOMINAL FIRST HOLE IN |
| NSN | 5306-00-144-3704 |
| THREAD QUANTITY PER INCH | 28 |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| FEATURES PROVIDED | FINISHED HEAD |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| THREAD LENGTH | 0.468 INCHES MINIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| MINIMUM TENSILE STRENGTH | 125 POUNDS PER SQUARE INCH LBS |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM FIRST HOLE IN |