6643070-112: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 4145 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL, head_style: FLAT CHAMFER, head_height: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.375 INCHES NOMINAL IN, thread_length: 0.520 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-265-9290, 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 4037 OR STEEL COMP 4140 OR STEEL COMP 4145 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| head_style | FLAT CHAMFER |
| head_height | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| thread_class | 3A A |
| head_diameter | 0.375 INCHES NOMINAL IN |
| thread_length | 0.520 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| fastener_length | 0.620 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.188 INCHES NOMINAL IN |
| internal_drive_style | HEXAGON |
| nominal_thread_diameter | 0.250 INCHES IN |
| thread_quantity_per_inch | 20 |
| NSN | 5305-01-265-9290 |
| WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL IN |
| HEAD HEIGHT | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.620 INCHES NOMINAL IN |
| THREAD LENGTH | 0.520 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT CHAMFER |
| THREAD DIRECTION | RIGHT-HAND |
| INTERNAL DRIVE STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| THREAD CLASS | 3A A |
No substitute or cross-reference records for this part.