BACB30FA4-8: BOLT,CLOSE TOLERANCE.
The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 FASTENER, head_style: FLAT COUNTERSUNK UNDERCUT, grip_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, head_height: 0.112 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-448-0668, 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 4130 FASTENER |
| head_style | FLAT COUNTERSUNK UNDERCUT |
| grip_length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| head_height | 0.112 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| head_diameter | 0.464 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| thread_length | 0.469 INCHES NOMINAL IN |
| fastener_length | 0.953 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| locking_feature | STRIP OR PATCH OR PELLET LOCKING FEATURE |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| NSN | 5306-01-448-0668 |
| HEAD HEIGHT | 0.112 INCHES NOMINAL IN |
| FASTENER LENGTH | 0.953 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.469 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| LOCKING FEATURE | STRIP OR PATCH OR PELLET LOCKING FEATURE |
| SURFACE TREATMENT | CADMIUM OVERALL |
No substitute or cross-reference records for this part.