| EXTERNAL KEY QUANTITY | 1 |
| EXTERNAL PREBENT KEY LENGTH | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| EXTERNAL STRAIGHT KEY LENGTH | 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
| HOLE DIAMETER | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| OUTSIDE DIAMETER | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM |