| ATTACHMENT METHOD | MOUNTING HOLE |
| BACKLASH DESIGNATION | GRADE A |
| BODY STYLE | PLAIN, SOLID |
| BORE STYLE | TAPERED FIRST END |
| FACE NOMINAL WIDTH | 1.000 INCHES |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| HELIX ANGLE | 17.7500 DEGREES |
| HUB NOMINAL DIAMETER | 4.000 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66AISI/SAE8620 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8620 OVERALL |
| PITCH DIAMETER | 5.2499 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.312 INCHES AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 3 THREADED AXIALLY THROUGH BODY FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.187 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 5.649 INCHES |
| SPECIAL FEATURES | COUNTERBORE,4.000 IN.DIA,0.562 IN.DEEP,LOCATED FIRST END |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT | CARBON OVERALL |
| TAPER MAJOR NOMINAL DIAMETER | 2.820 INCHES FIRST END |
| TEETH QUANTITY | 25 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | RIGHT |
| TOOTH FORM | STANDARD |