| BODY STYLE | WEBBED, WITH LIGHTENING HOLES |
| BORE STYLE | STRAIGHT SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.880 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 1.282 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.625 INCHES BOTH ENDS |
| END NOMINAL DIAMETER | 1.378 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 1.010 INCHES |
| FIRST STEP NOMINAL LENGTH | 0.400 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 1.540 INCHES SECOND END |
| FIRST STEP NOMINAL DIAMETER | 1.490 INCHES FIRST END |
| HARDNESS RATING | 27.0 ROCKWELL C NOMINAL HUB |
| HARDNESS RATING | 80.0 ROCKWELL C NOMINAL TEETH |
| HUB STYLE DESIGNATOR | 1 STEP BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7493,COMP 4620 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4620 OVERALL |
| NOMINAL OUTSIDE DIAMETER | 5.437 INCHES |
| NOMINAL OVERALL LENGTH | 2.700 INCHES |
| PITCH DIAMETER | 5.3125 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SECOND STEP NOMINAL LENGTH | 0.090 INCHES SECOND END |
| SECOND STEP NOMINAL LENGTH | 0.650 INCHES FIRST END |
| SPLINE QUANTITY | 15 BOTH ENDS |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| TEETH QUANTITY | 85 |
| TOOTH FORM | STANDARD |