AN509-10R6: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.371 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_length: 0.297 INCHES MAXIMUM IN, screw_material: STEEL, fastener_length: 0.406 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-180-0265, 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 | 0.371 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| thread_length | 0.297 INCHES MAXIMUM IN |
| screw_material | STEEL |
| fastener_length | 0.406 INCHES NOMINAL IN |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.190 INCHES IN |
| screw_surface_treatment | CADMIUM |
| NSN | 5305-00-180-0265 |
| SCREW SURFACE TREATMENT | CADMIUM |
| FASTENER LENGTH | 0.406 INCHES MINIMUM AND 0.437 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 | 0.250 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.190 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 |