S7839: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.491 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.453 INCHES MINIMUM IN, screw_material: STEEL COMP 430, fastener_length: 0.594 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-150-9580, 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 | 0.491 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| thread_length | 0.453 INCHES MINIMUM IN |
| screw_material | STEEL COMP 430 |
| fastener_length | 0.594 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.250 INCHES IN |
| screw_surface_treatment | PASSIVATE |
| minimum_tensile_strength | 85000 POUNDS PER SQUARE INCH LBS |
| NSN | 5305-00-150-9580 |
| SCREW SURFACE TREATMENT | CADMIUM |
| FASTENER LENGTH | 0.766 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE |
| THREAD LENGTH | 0.531 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH LBS |