| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-23284 A CLI OR CLII MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | KEY, COUPLING (STERN TUBE SHAFT) |
| PROPRIETARY CHARACTERISTICS | PACS |
| MOUNTING HOLE DIAMETER | 0.642 INCHES MINIMUM AND 0.663 INCHES MAXIMUM |
| MOUNTING HOLE TYPE AND QUANTITY | 2 UNTHREADED-COUNTERSUNK |
| OVERALL HEIGHT | 3.090 INCHES NOMINAL |
| OVERALL LENGTH | 22.750 INCHES NOMINAL |
| OVERALL WIDTH | 3.060 INCHES NOMINAL |
| TAPER LENGTH | 2.500 INCHES NOMINAL |