The MS21387-17 is a the manufacturer industrial component. Key specifications include color: GRAY/GREY AND BLACK AND WHITE, material: COPPER ALLOY AND PLASTIC ACRYLONITRILE-BUTADIENE-STYRENE (ABS) AND STEEL, 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. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-01-693-1039, 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.
| color | GRAY/GREY AND BLACK AND WHITE |
| material | COPPER ALLOY AND PLASTIC ACRYLONITRILE-BUTADIENE-STYRENE (ABS) AND STEEL |
| 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 |
| nominal_thread_size | 0.164 INCHES SCREW HOLE IN |
| material_transparency | CLEAR |
| NSN | 5355-01-693-1039 |
| OUTSIDE DIAMETER | 0.750 INCHES NOMINAL IN |
| SHAFT ACCOMMODATION STYLE | ROUND |
| DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE | 0.190 INCHES NOMINAL IN |
| GRIPPING SURFACE CONDITION | GRIP AID |
| OVERALL THICKNESS | 0.630 INCHES NOMINAL IN |
| INSIDE DIAMETER | 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| REFERENCE MARKING | ARROW |
| MATERIAL TRANSPARENCY | CLEAR |
| SETSCREW HOLE QUANTITY | 2 |
| ATTACHMENT METHOD | SETSCREWS |