The MS21387-18GN is a the manufacturer industrial component. Key specifications include inside_width: 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN, overall_depth: 0.460 INCHES MAXIMUM IN, inside_diameter: 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN, outside_diameter: 0.750 INCHES NOMINAL IN, screw_drive_type: HEXAGON SOCKET, style_designator: ROUND. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-01-230-9907, 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.
| inside_width | 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| overall_depth | 0.460 INCHES MAXIMUM IN |
| inside_diameter | 0.252 INCHES MINIMUM AND 0.254 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 | ARROW AND LINE |
| nominal_thread_size | 0.164 INCHES SCREW HOLE IN |
| material_transparency | CLEAR |
| setscrew_hole_quantity | 2 |
| NSN | 5355-01-230-9907 |
| STYLE DESIGNATOR | ROUND |
| GRIPPING SURFACE CONDITION | GRIP AID |
| OUTSIDE DIAMETER | 0.750 INCHES NOMINAL IN |
| INSIDE WIDTH | 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| NOMINAL THREAD SIZE | 0.164 INCHES SCREW HOLE IN |
| THREAD QUANTITY PER INCH | 32 SCREW HOLE |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| REFERENCE MARKING | ARROW AND LINE |
| SETSCREW HOLE QUANTITY | 2 |
| OVERALL DEPTH | 0.460 INCHES MAXIMUM IN |