BN388M4X20: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, head_diameter: 7.5 MILLIMETERS NOMINAL MM, thread_length: 16.4 MILLIMETERS MINIMUM AND 17.8 MILLIMETERS MAXIMUM MM, fastener_length: 20.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND, countersink_angle: 90.0 DEGREES NOMINAL. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-342-8766, 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.
| head_style | FLAT COUNTERSUNK |
| head_diameter | 7.5 MILLIMETERS NOMINAL MM |
| thread_length | 16.4 MILLIMETERS MINIMUM AND 17.8 MILLIMETERS MAXIMUM MM |
| fastener_length | 20.0 MILLIMETERS NOMINAL MM |
| thread_direction | RIGHT-HAND |
| countersink_angle | 90.0 DEGREES NOMINAL |
| nominal_thread_diameter | 4.0 MILLIMETERS MM |
| thread_series_designator | M |
| thread_pitch_in_millimeters | 0.70 |
| external_thread_tolerance_class | 6G G |
| NSN | 5305-01-342-8766 |
| EXTERNAL THREAD TOLERANCE CLASS | 6G G |
| FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL MM |
| THREAD PITCH IN MILLIMETERS | 0.70 |
| THREAD LENGTH | 16.4 MILLIMETERS MINIMUM AND 17.8 MILLIMETERS MAXIMUM MM |
| NOMINAL THREAD DIAMETER | 4.0 MILLIMETERS MM |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL |
| THREAD SERIES DESIGNATOR | M |
| HEAD DIAMETER | 7.5 MILLIMETERS NOMINAL MM |
No substitute or cross-reference records for this part.