| EXTERNAL PREBENT KEY WIDTH | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 19 |
| HOLE DIAMETER | 3.547 INCHES MINIMUM AND 3.577 INCHES MAXIMUM |
| INTERNAL PREBENT KEY LENGTH | 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.313 INCHES MINIMUM AND 0.353 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATERIAL THICKNESS | 0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| OUTSIDE DIAMETER | 4.031 INCHES MINIMUM AND 4.061 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 4.625 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |