| BODY STYLE | PLAIN, SOLID |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.654 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.445 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 0.405 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 0.265 INCHES |
| FIRST GROOVE NOMINAL DIAMETER | 0.570 INCHES FIRST END |
| FIRST GROOVE NOMINAL WIDTH | 0.090 INCHES FIRST END |
| HARDNESS RATING | 58.0 ROCKWELL C NOMINAL OVERALL |
| HUB NOMINAL DIAMETER | 0.812 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP E9310 OVERALL |
| NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.425 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.615 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.718 INCHES |
| NOMINAL OVERALL LENGTH | 0.880 INCHES |
| PITCH DIAMETER | 0.6562 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 7 |
| SPLINE PITCH DIAMETER | 0.6458 INCHES NOMINAL BOTH ENDS |
| SPLINE QUANTITY | 31 BOTH ENDS |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| TEETH QUANTITY | 21 |
| TOOTH FORM | STANDARD |