| HOLE DIAMETER | 0.530 INCHES NOMINAL |
| INTERNAL STRAIGHT KEY WIDTH | 0.146 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.1875 INCHES NOMINAL |
| III MATERIAL | STEEL CORROSION RESISTING OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | TABBED WASHER |
| PROPRIETARY CHARACTERISTICS | PACS |
| OVERALL DISTANCE INCLUDING KEYS | 1.00 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |
| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.148 INCHES NOMINAL |
| EXTERNAL PREBENT KEY WIDTH | 0.146 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |