BACB30LU4-7: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN, head_diameter: 0.455 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-047-9441, 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 E4340 OR STEEL COMP 8740 OVERALL |
| head_style | FLAT COUNTERSUNK |
| grip_length | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| head_diameter | 0.455 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| thread_length | 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| surface_finish | 32.0 MICROINCHES GRIP |
| fastener_length | 0.848 INCHES MINIMUM AND 0.878 INCHES MAXIMUM IN |
| special_features | ITEM IS FAA CERTIFIED |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| NSN | 5305-01-047-9441 |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| FASTENER LENGTH | 0.848 INCHES MINIMUM AND 0.878 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
No substitute or cross-reference records for this part.