3F5108: BOLT,SQUARE NECK.
The BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, neck_width: 0.656 INCHES NOMINAL IN, neck_length: 0.500 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 1.062 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-263-3533, 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 OVERALL |
| head_style | FLAT COUNTERSUNK |
| neck_width | 0.656 INCHES NOMINAL IN |
| neck_length | 0.500 INCHES NOMINAL IN |
| thread_class | 2A A |
| head_diameter | 1.062 INCHES NOMINAL IN |
| thread_length | 1.188 INCHES MINIMUM IN |
| fastener_length | 2.250 INCHES NOMINAL IN |
| hardness_rating | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| countersink_angle | 82.0 DEGREES NOMINAL |
| nominal_thread_diameter | 0.625 INCHES IN |
| NSN | 5306-00-263-3533 |
| NECK LENGTH | 0.500 INCHES NOMINAL IN |
| FASTENER LENGTH | 2.250 INCHES NOMINAL IN |
| THREAD LENGTH | 1.188 INCHES MINIMUM IN |
| HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.625 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 2 CLASS AND C STYLE AND 1 FORM |
| NECK WIDTH | 0.656 INCHES NOMINAL IN |
| MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH LBS |