NAS1790C4-5AX: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, head_height: 0.111 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.506 INCHES MAXIMUM IN, thread_length: 0.425 INCHES NOMINAL IN, screw_material: STEEL. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-696-9919, 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 |
| head_height | 0.111 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 0.506 INCHES MAXIMUM IN |
| thread_length | 0.425 INCHES NOMINAL IN |
| screw_material | STEEL |
| fastener_length | 0.7225 INCHES MINIMUM AND 0.7525 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| internal_drive_style | HIGH-TORQUE |
| end_item_identification | B-52 AIRCRAFT |
| nominal_thread_diameter | 0.2500 INCHES IN |
| NSN | 5305-01-696-9919 |
| HEAD HEIGHT | 0.111 INCHES NOMINAL IN |
| FASTENER LENGTH | 0.7225 INCHES MINIMUM AND 0.7525 INCHES MAXIMUM IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731,5732,5737 OR 5853 ASSN STD SINGLE MATERIAL RESPONSE |
| THREAD LENGTH | 0.425 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIFICATION/STANDARD DATA | 80205-NAS1790 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SCREW MATERIAL | STEEL |
| INTERNAL DRIVE STYLE | HIGH-TORQUE |
No substitute or cross-reference records for this part.