BM19031-7-20D: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN, head_diameter: 0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-156-6313, 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 OVERALL |
| head_style | FLAT COUNTERSUNK |
| grip_length | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| head_diameter | 0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN |
| thread_length | 0.466 INCHES NOMINAL IN |
| fastener_length | 1.700 INCHES MINIMUM AND 1.747 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| surface_treatment | CADMIUM OVERALL |
| internal_drive_style | HIGH-TORQUE |
| NSN | 5305-01-156-6313 |
| FASTENER LENGTH | 1.700 INCHES MINIMUM AND 1.747 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MAC P.S.1314 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.466 INCHES NOMINAL IN |
| SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE IN |
| NOMINAL THREAD DIAMETER | 0.438 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| GRIP DIAMETER | 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| SURFACE TREATMENT | CADMIUM OVERALL |
No substitute or cross-reference records for this part.