| EXTERNAL KEY QUANTITY | 19 |
| EXTERNAL PREBENT KEY WIDTH | 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| HEAT TREATMENT | ANNEALED |
| HOLE DIAMETER | 3.582 INCHES MINIMUM AND 3.612 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 |
| OUTSIDE DIAMETER | 4.281 INCHES MINIMUM AND 4.326 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 4.891 INCHES MINIMUM AND 4.953 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.125 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| STYLE DESIGNATOR | KEY |