3M1277E6D5A: BOLT,CLOSE TOLERANCE.
The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, hole_type: DRILLED, head_style: FLAT COUNTERSUNK, grip_length: 0.312 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.3896 INCHES MINIMUM AND 0.3901 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-599-4576, 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 | NICKEL ALLOY 718 OVERALL |
| hole_type | DRILLED |
| head_style | FLAT COUNTERSUNK |
| grip_length | 0.312 INCHES NOMINAL IN |
| thread_class | 3A A |
| grip_diameter | 0.3896 INCHES MINIMUM AND 0.3901 INCHES MAXIMUM IN |
| head_diameter | 0.5504 INCHES MINIMUM AND 0.5604 INCHES MAXIMUM IN |
| hole_diameter | 0.106 INCHES NOMINAL IN |
| hole_quantity | 1 |
| thread_length | 0.578 INCHES NOMINAL IN |
| fastener_length | 0.890 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| NSN | 5306-01-599-4576 |
| FASTENER LENGTH | 0.890 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-L-87132, TYPE 1, GRADE B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.578 INCHES NOMINAL IN |
| HOLE CONFIGURATION STYLE | ROUND |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 0.312 INCHES NOMINAL IN |
| GRIP DIAMETER | 0.3896 INCHES MINIMUM AND 0.3901 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.