The MS21387-15BN is a the manufacturer industrial component. Key specifications include overall_depth: 0.460 INCHES MAXIMUM IN, inside_diameter: 0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN, outside_diameter: 0.750 INCHES NOMINAL IN, screw_drive_type: HEXAGON SOCKET, style_designator: ROUND, attachment_method: SETSCREWS. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-01-429-9441, 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.
| overall_depth | 0.460 INCHES MAXIMUM IN |
| inside_diameter | 0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| outside_diameter | 0.750 INCHES NOMINAL IN |
| screw_drive_type | HEXAGON SOCKET |
| style_designator | ROUND |
| attachment_method | SETSCREWS |
| overall_thickness | 0.630 INCHES NOMINAL IN |
| reference_marking | INDEX LINE |
| nominal_thread_size | 0.112 INCHES SCREW HOLE IN |
| material_transparency | CLEAR |
| setscrew_hole_quantity | 2 |
| thread_quantity_per_inch | 40 SCREW HOLE |
| NSN | 5355-01-429-9441 |
| STYLE DESIGNATOR | ROUND |
| INSIDE DIAMETER | 0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE | 0.190 INCHES NOMINAL IN |
| REFERENCE MARKING | INDEX LINE |
| SHAFT ACCOMMODATION STYLE | ROUND |
| OVERALL DEPTH | 0.460 INCHES MAXIMUM IN |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| NOMINAL THREAD SIZE | 0.112 INCHES SCREW HOLE IN |
| SETSCREW HOLE QUANTITY | 2 |
| THREAD QUANTITY PER INCH | 40 SCREW HOLE |