The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.875 INCHES NOMINAL IN, thread_length: 0.719 INCHES MINIMUM IN, screw_material: STEEL COMP 8630, fastener_length: 1.469 INCHES NOMINAL IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-579-3979, 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 | 0.875 INCHES NOMINAL IN |
| thread_length | 0.719 INCHES MINIMUM IN |
| screw_material | STEEL COMP 8630 |
| fastener_length | 1.469 INCHES NOMINAL IN |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| internal_drive_style | CROSS RECESS TYPE II |
| nominal_thread_diameter | 0.438 INCHES IN |
| screw_surface_treatment | CADMIUM |
| NSN | 5305-00-579-3979 |
| THREAD SERIES DESIGNATOR | UNF |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE |
| THREAD CLASS | 3A A |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH LBS |
| HEAD STYLE | FLAT COUNTERSUNK |
| SCREW MATERIAL | STEEL COMP 8630 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.719 INCHES MINIMUM IN |