| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 1.165 INCHES FIRST END |
| BORE STYLE | STRAIGHT SPLINE FIRST END |
| FACE NOMINAL WIDTH | 1.375 INCHES |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| HUB SPLINE QUANTITY | 15 FIRST END |
| HUB SPLINE PITCH DIAMETER | 3.3333 INCHES NOMINAL FIRST END |
| HUB STYLE DESIGNATOR | EXTERNALLY SPLINED, INVOLUTE SPLINES FIRST END |
| PITCH DIAMETER | 4.5000 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.250 INCHES AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 6 THREADED AXIALLY THROUGH BODY FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.750 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 3.666 INCHES |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | COUNTERBORE SECOND END,1.903 IN. DIA,0.313 IN. DEEP |
| SPLINE QUANTITY | 6 FIRST END |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| TEETH QUANTITY | 15 |
| TOOTH FORM | STANDARD |