BACB30US6K21: BOLT,CLOSE TOLERANCE.
The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, hole_type: DRILLED, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 1.3125 INCHES NOMINAL IN, head_height: 0.340 INCHES NOMINAL IN, thread_class: 3A A. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-520-8719, 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 | NICKEL ALLOY 718 OVERALL |
| hole_type | DRILLED |
| head_style | DOUBLE HEXAGON W/HOLE |
| grip_length | 1.3125 INCHES NOMINAL IN |
| head_height | 0.340 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| hole_diameter | 0.260 INCHES NOMINAL IN |
| hole_quantity | 1 |
| thread_length | 0.643 INCHES NOMINAL IN |
| fastener_length | 1.9555 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| NSN | 5306-01-520-8719 |
| EXTENDED WASHER THICKNESS | 0.091 INCHES NOMINAL IN |
| HEAD HEIGHT | 0.340 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.9555 INCHES NOMINAL IN |
| EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.643 INCHES NOMINAL IN |
| HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5962 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES IN |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.