TOPOGRAPHIC GEOSPATIAL PRODUCTS. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.685 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN, thread_length: 0.667 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, screw_material: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013, fastener_length: 0.750 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 7643-01-405-2155, 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 | 2A A |
| head_diameter | 0.685 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN |
| thread_length | 0.667 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| screw_material | STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013 |
| fastener_length | 0.750 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.375 INCHES IN |
| screw_surface_treatment | CADMIUM AND CHROMATE |
| minimum_tensile_strength | 55000 POUNDS PER SQUARE INCH LBS |
| NSN | 7643-01-405-2155 |