The S311-64L is a the manufacturer industrial component. Key specifications include overall_depth: 0.641 INCHES NOMINAL IN, inside_diameter: 0.250 INCHES NOMINAL IN, outside_diameter: 1.250 INCHES NOMINAL IN, screw_drive_type: SLOT, style_designator: CROWN, attachment_method: SETSCREWS. This part is cataloged in the Federal Logistics Information System under NSN 5355-00-644-2133, 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 | 0.641 INCHES NOMINAL IN |
| inside_diameter | 0.250 INCHES NOMINAL IN |
| outside_diameter | 1.250 INCHES NOMINAL IN |
| screw_drive_type | SLOT |
| style_designator | CROWN |
| attachment_method | SETSCREWS |
| overall_thickness | 0.812 INCHES NOMINAL IN |
| nominal_thread_size | 0.164 INCHES SCREW HOLE IN |
| setscrew_hole_quantity | 2 |
| thread_quantity_per_inch | 32 SCREW HOLE |
| thread_series_designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| shaft_accommodation_style | ROUND |
| NSN | 5355-00-644-2133 |
| SHAFT ACCOMMODATION STYLE | ROUND |
| OUTSIDE DIAMETER | 1.250 INCHES NOMINAL IN |
| OVERALL THICKNESS | 0.812 INCHES NOMINAL IN |
| ATTACHMENT METHOD | SETSCREWS |
| SCREW DRIVE TYPE | SLOT |
| THREAD QUANTITY PER INCH | 32 SCREW HOLE |
| COLOR | BLACK |
| NOMINAL THREAD SIZE | 0.164 INCHES SCREW HOLE IN |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| STYLE DESIGNATOR | CROWN |