78163-68: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, hole_type: DRILLED, head_style: FLAT CHAMFER, head_height: 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-447-6579, 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 410 OVERALL |
| hole_type | DRILLED |
| head_style | FLAT CHAMFER |
| head_height | 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| thread_class | 3A A |
| head_diameter | 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| hole_diameter | 0.036 INCHES NOMINAL IN |
| hole_quantity | 2 |
| thread_length | 0.934 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN |
| fastener_length | 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN |
| hardness_rating | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| NSN | 5305-00-447-6579 |
| WIDTH ACROSS FLATS | 0.109 INCHES NOMINAL IN |
| HEAD HEIGHT | 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.934 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.138 INCHES IN |
| HEAD STYLE | FLAT CHAMFER |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.