BACB30NF5-52: BOLT,CLOSE TOLERANCE.
The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL, head_style: UNDERCUT HEXAGON, grip_length: 3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM IN, head_height: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-054-1638, 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 4340 OR STEEL COMP 8740 OVERALL |
| head_style | UNDERCUT HEXAGON |
| grip_length | 3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM IN |
| head_height | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| thread_length | 0.429 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN |
| surface_finish | 32.0 MICROINCHES GRIP |
| fastener_length | 3.689 INCHES MINIMUM AND 3.719 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_between_flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| NSN | 5306-01-054-1638 |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| FASTENER LENGTH | 3.689 INCHES MINIMUM AND 3.719 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.429 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| HEAD STYLE | UNDERCUT HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.