| MATERIAL | STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND |
| 38.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 20 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 8 |
| STYLE DESIGNATOR | PROTRUDING HUB |
| PITCH DIAMETER | 1.9512 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 1.150 INCHES |
| NOMINAL OUTSIDE DIAMETER | 2.100 INCHES |
| FACE NOMINAL WIDTH | 0.700 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.450 INCHES FIRST END |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.865 INCHES BOTH ENDS |
| SPLINE QUANTITY | 27 BOTH ENDS |
| SPLINE PITCH DIAMETER | 0.8440 INCHES NOMINAL BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.410 INCHES SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 1.560 INCHES SECOND END |
| HUB STYLE DESIGNATOR | PINNED FIRST END |
| HUB NOMINAL DIAMETER | 1.270 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 5 PLAIN TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.312 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| SPECIAL FEATURES | MTG HOLES SPACED 72 DEG APART |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 05606 |
| DESIGN CONTROL REFERENCE | 125C3824 |