| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AM56274 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND |
| 35.0 ROCKWELL C MAXIMUM HUB |
| 58.0 ROCKWELL C MINIMUM AND |
| 62.0 ROCKWELL C MAXIMUM TEETH |
| TEETH QUANTITY | 32 |
| TOOTH FORM | STUB |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY |
| PITCH DIAMETER | 3.2000 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 3.363 INCHES |
| FACE NOMINAL WIDTH | 0.375 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.525 INCHES FIRST END |
| BODY RECESS NOMINAL DEPTH | 0.255 INCHES SECOND END |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.527 INCHES BOTH ENDS |
| SPLINE QUANTITY | 11 BOTH ENDS |
| SPLINE PITCH DIAMETER | 0.4583 INCHES NOMINAL FIRST END |
| HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| END NOMINAL LENGTH | 1.465 INCHES FIRST END |
| END NOMINAL DIAMETER | 0.810 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.060 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 1.200 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| FURNISHED ITEMS AND QUANTITY | 1 PLUG |
| SPECIAL FEATURES | 2ND END 1ST COUNTERBORE DIA 0.625 IN. DEPTH 0.420 IN.; 2ND CTRBORE DIA 0.595 IN. BY 0.330 IN. DEPTH |