3M1275E3D18A: BOLT,CLOSE TOLERANCE.
The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include hole_type: DRILLED, head_style: FLAT COUNTERSUNK, grip_length: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN, head_diameter: 0.3729 INCHES MINIMUM AND 0.3813 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-607-2403, 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.
| hole_type | DRILLED |
| head_style | FLAT COUNTERSUNK |
| grip_length | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN |
| head_diameter | 0.3729 INCHES MINIMUM AND 0.3813 INCHES MAXIMUM IN |
| hole_diameter | 0.70 INCHES NOMINAL IN |
| hole_quantity | 1 |
| thread_length | 0.345 INCHES NOMINAL IN |
| fastener_length | 1.47 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| NSN | 5306-01-607-2403 |
| FASTENER LENGTH | 1.47 INCHES NOMINAL IN |
| THREAD LENGTH | 0.345 INCHES NOMINAL IN |
| HOLE CONFIGURATION STYLE | ROUND INTERNAL TORX |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| GRIP DIAMETER | 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
No substitute or cross-reference records for this part.