| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, OFFSET, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 5.556 INCHES AXIALLY THROUGH BODY FIRST END |
| BORE NOMINAL DIAMETER | 4.749 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 1.188 INCHES |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL |
| HELIX ANGLE | 19.0114 DEGREES |
| HUB NOMINAL DIAMETER | 6.125 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAF 1141 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1141 OVERALL |
| PITCH DIAMETER | 8.2500 INCHES NOMINAL |
| PRESSURE ANGLE | 16.0000 DEGREES |
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.391 INCHES AXIALLY THROUGH BODY FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.313 INCHES FIRST END |
| NOMINAL OVERALL LENGTH | 1.500 INCHES |
| NOMINAL OUTSIDE DIAMETER | 8.495 INCHES |
| SPECIAL FEATURES | LETTER H STAMPED ON TOOTH CENTERLINE63 DEG 43 MIN CCW FROM UPPER VERTICAL CENTERLINE |
| STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY |
| TEETH QUANTITY | 78 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | RIGHT |
| TOOTH FORM | STANDARD |