HT618-8-19: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.222 INCHES NOMINAL IN, thread_length: 0.781 INCHES NOMINAL IN, screw_material: STEEL COMP 8740 OR STEEL COMP 4340, fastener_length: 2.654 INCHES MINIMUM AND 2.684 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-368-3230, 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.
| head_style | FLAT COUNTERSUNK |
| thread_class | 3A A |
| head_diameter | 0.222 INCHES NOMINAL IN |
| thread_length | 0.781 INCHES NOMINAL IN |
| screw_material | STEEL COMP 8740 OR STEEL COMP 4340 |
| fastener_length | 2.654 INCHES MINIMUM AND 2.684 INCHES MAXIMUM IN |
| hardness_rating | 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| internal_drive_style | HIGH-TORQUE |
| shank_surface_finish | 32.0 MICROINCHES |
| thread_surface_finish | 32.0 MICROINCHES |
| NSN | 5305-01-368-3230 |
| BEARING SURFACE OF HEAD SURFACE FINISH | 32.0 MICROINCHES |
| SCREW SURFACE TREATMENT | CADMIUM |
| FASTENER LENGTH | 2.654 INCHES MINIMUM AND 2.684 INCHES MAXIMUM IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE |
| THREAD LENGTH | 0.781 INCHES NOMINAL IN |
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| SHANK SURFACE FINISH | 32.0 MICROINCHES |
| NOMINAL THREAD DIAMETER | 0.500 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.