12335260-2: 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: 0.750 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN, neck_length: 1.709 INCHES MINIMUM AND 1.759 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 1.250 INCHES MINIMUM AND 1.303 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-491-9986, 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 | 0.750 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| neck_length | 1.709 INCHES MINIMUM AND 1.759 INCHES MAXIMUM IN |
| thread_class | 2A A |
| head_diameter | 1.250 INCHES MINIMUM AND 1.303 INCHES MAXIMUM IN |
| thread_length | 1.250 INCHES MINIMUM IN |
| fastener_length | 2.250 INCHES NOMINAL IN |
| hardness_rating | 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| countersink_angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| surface_treatment | ZINC OVERALL |
| NSN | 5306-01-491-9986 |
| NECK LENGTH | 1.709 INCHES MINIMUM AND 1.759 INCHES MAXIMUM IN |
| FASTENER LENGTH | 2.250 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TYPE 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 1.250 INCHES MINIMUM IN |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| NECK WIDTH | 0.750 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| SURFACE TREATMENT | ZINC OVERALL |
No substitute or cross-reference records for this part.