801-6404739-20: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY K-500 FASTENER, head_style: FLAT CHAMFER, head_height: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, thread_length: 1.250 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-446-0308, 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 | NICKEL ALLOY K-500 FASTENER |
| head_style | FLAT CHAMFER |
| head_height | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| thread_class | 3A A |
| head_diameter | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| thread_length | 1.250 INCHES MINIMUM IN |
| fastener_length | 1.750 INCHES NOMINAL IN |
| hardness_rating | 24.0 ROCKWELL C MINIMUM FASTENER |
| locking_feature | PATCH OR PELLET OR STRIP THREADS |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.375 INCHES MINIMUM IN |
| internal_drive_style | HEXAGON |
| NSN | 5305-01-446-0308 |
| WIDTH ACROSS FLATS | 0.375 INCHES MINIMUM IN |
| HEAD HEIGHT | 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.750 INCHES NOMINAL IN |
| THREAD LENGTH | 1.250 INCHES MINIMUM IN |
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| NOMINAL THREAD DIAMETER | 0.500 INCHES IN |
| HEAD STYLE | FLAT CHAMFER |
| THREAD DIRECTION | RIGHT-HAND |
| LOCKING FEATURE | PATCH OR PELLET OR STRIP THREADS |