| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.220 INCHES AXIALLY THROUGH BODY FIRST END |
| BORE NOMINAL DIAMETER | 1.501 INCHES BOTH ENDS |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| FACE NOMINAL WIDTH | 0.700 INCHES |
| HARDNESS RATING | 42.0 ROCKWELL C MAXIMUM HUB |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM TEETH |
| HELIX ANGLE | 20.0000 DEGREES |
| HUB NOMINAL DIAMETER | 2.125 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7493,COMP 4620 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| PITCH DIAMETER | 4.9883 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4620 OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.625 INCHES AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 3 PLAIN AXIALLY THROUGH BODY FIRST END |
| NOMINAL OUTSIDE DIAMETER | 5.112 INCHES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPLINE PITCH DIAMETER | 1.4375 INCHES NOMINAL BOTH ENDS |
| SPLINE QUANTITY | 23 BOTH ENDS |
| STYLE DESIGNATOR | FLUSH HUB |
| TEETH QUANTITY | 75 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | LEFT |