BACB30LJ10DU40: BOLT,CLOSE TOLERANCE.
The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, hole_type: DRILLED, head_style: UNDERCUT HEXAGON, grip_length: 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN, head_height: 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN, thread_class: 3A A. This part is cataloged in the U.S.
Government catalog under NSN 5306-00-987-9459, 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 | IRON ALLOY 660 OVERALL |
| hole_type | DRILLED |
| head_style | UNDERCUT HEXAGON |
| grip_length | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN |
| head_height | 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN |
| hole_diameter | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| hole_quantity | 3 |
| thread_length | 0.637 INCHES MINIMUM IN |
| surface_finish | 32.0 MICROINCHES GRIP |
| fastener_length | 3.122 INCHES MINIMUM AND 3.152 INCHES MAXIMUM IN |
| NSN | 5306-00-987-9459 |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| HEAD HEIGHT | 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| FASTENER LENGTH | 3.122 INCHES MINIMUM AND 3.152 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.637 INCHES MINIMUM IN |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE IN |
| HOLE CONFIGURATION STYLE | HEXAGON CORNERS |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
No substitute or cross-reference records for this part.