| EXTERNAL KEY QUANTITY | 3 | 
| EXTERNAL STRAIGHT KEY WIDTH | 0.145 INCHES MINIMUM AND 0.165 INCHES MAXIMUM | 
| HOLE DIAMETER | 2.137 INCHES NOMINAL | 
| MATERIAL THICKNESS | 0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM | 
| III MATERIAL | STEEL COMP 4340 OVERALL | 
| PART NAME ASSIGNED BY CONTROLLING AGENCY | RING,SPLINE LOCK-BEARING | 
| PROPRIETARY CHARACTERISTICS | PACS | 
| OUTSIDE DIAMETER | 2.608 INCHES MINIMUM AND 2.628 INCHES MAXIMUM | 
| OVERALL DISTANCE INCLUDING KEYS | 2.870 INCHES MINIMUM AND 2.890 INCHES MAXIMUM | 
| SPECIAL FEATURES | WASHER,KEY HAS 171 INTERNAL TEETH | 
| STYLE DESIGNATOR | KEY |