BACB30LU3-1: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.062 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN, head_diameter: 0.337 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-016-2925, 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 4340 OVERALL |
| head_style | FLAT COUNTERSUNK |
| grip_length | 0.062 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| head_diameter | 0.337 INCHES MINIMUM IN |
| thread_length | 0.345 INCHES NOMINAL IN |
| surface_finish | 125.0 MICROINCHES GRIP |
| fastener_length | 0.407 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| surface_treatment | CADMIUM OVERALL |
| NSN | 5305-01-016-2925 |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE FINISH | 125.0 MICROINCHES GRIP |
| FASTENER LENGTH | 0.407 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.345 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 0.062 INCHES NOMINAL IN |
No substitute or cross-reference records for this part.