| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.531 INCHES NOMINAL |
| EXTERNAL PREBENT KEY WIDTH | 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
| EXTERNAL STRAIGHT KEY WIDTH | 0.500 INCHES NOMINAL |
| HOLE DIAMETER | 0.531 INCHES NOMINAL |
| OUTSIDE DIAMETER | 0.938 INCHES NOMINAL |
| OVERALL DISTANCE INCLUDING KEYS | 1.582 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.051 INCHES NOMINAL |
| MATERIAL | COPPER ALLOY 706 OR COPPER ALLOY 715 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| STYLE DESIGNATOR | KEY |