30554ASY: TAPPET,ENGINE POPPET VALVE.
The TAPPET,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, head_style: FLAT CHAMFER, head_height: 0.562 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, thread_length: 0.346 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 2805-00-429-0486, 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 4140 OVERALL |
| head_style | FLAT CHAMFER |
| head_height | 0.562 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| thread_length | 0.346 INCHES MINIMUM IN |
| fastener_length | 0.500 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN |
| internal_drive_style | HEXAGON |
| nominal_thread_diameter | 0.500 INCHES IN |
| thread_quantity_per_inch | 13 |
| NSN | 2805-00-429-0486 |