HT4A-7: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.469 INCHES MINIMUM IN, screw_material: STEEL COMP 431, fastener_length: 0.906 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-902-7278, 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 | 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| thread_length | 0.469 INCHES MINIMUM IN |
| screw_material | STEEL COMP 431 |
| fastener_length | 0.906 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| internal_drive_style | HIGH-TORQUE |
| nominal_thread_diameter | 0.250 INCHES IN |
| screw_surface_treatment | PASSIVATE |
| minimum_tensile_strength | 125000 POUNDS PER SQUARE INCH LBS |
| NSN | 5305-00-902-7278 |
| SCREW SURFACE TREATMENT | PASSIVATE |
| FASTENER LENGTH | 0.906 INCHES NOMINAL IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| THREAD LENGTH | 0.469 INCHES MINIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL COMP 431 |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH LBS |
| INTERNAL DRIVE STYLE | HIGH-TORQUE |
No substitute or cross-reference records for this part.