421554: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.146 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN, thread_length: 0.402 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, fastener_length: 0.438 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-285-4580, 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 | ROUND |
| head_height | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| thread_class | 2A A |
| head_diameter | 0.146 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN |
| thread_length | 0.402 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| screw_material | STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 |
| fastener_length | 0.438 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.086 INCHES IN |
| screw_surface_treatment | CADMIUM OR ZINC |
| thread_quantity_per_inch | 56 |
| NSN | 5305-00-285-4580 |
| HEAD HEIGHT | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| SCREW SURFACE TREATMENT | CADMIUM OR ZINC |
| FASTENER LENGTH | 0.438 INCHES NOMINAL IN |
| THREAD LENGTH | 0.402 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.086 INCHES IN |
| HEAD STYLE | ROUND |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| THREAD CLASS | 2A A |