| BACKLASH DESIGNATION | GRADE B |
| BODY STYLE | PLAIN, SOLID |
| END NOMINAL DIAMETER | 0.999 INCHES SECOND END |
| END NOMINAL LENGTH | 1.237 INCHES SECOND END |
| FACE NOMINAL WIDTH | 0.438 INCHES |
| FIRST STEP NOMINAL DIAMETER | 1.181 INCHES SECOND END |
| FIRST STEP NOMINAL LENGTH | 0.120 INCHES SECOND END |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| HUB STYLE DESIGNATOR | 3 STEPS SECOND END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL |
| PITCH ANGLE | 45.0000 DEGREES |
| PITCH DIAMETER | 1.7500 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 2.344 INCHES SECOND END |
| NOMINAL OUTSIDE DIAMETER | 1.868 INCHES |
| NOMINAL OVERALL LENGTH | 2.873 INCHES |
| SECOND STEP NOMINAL DIAMETER | 1.118 INCHES SECOND END |
| SECOND STEP NOMINAL LENGTH | 0.056 INCHES SECOND END |
| SPECIAL FEATURES | EXTERNAL 0.887 IN. DIA WOODRUFF KEYWAY 0.594 IN. FROM HUB END; SECOND END 100 MICROINCH AA FINISH 0N FIRST AND THIRD HUB STEP OD,63 MICROINCH AA FINISH ON GEAR TEETH WORKING SURFACES; RECESSED FRONT FACE 0.156 IN. DEEP |
| STYLE DESIGNATOR | PERIPHERAL FACE, BACK HUB PROTRUDING |
| TEETH QUANTITY | 21 |
| TEETH TYPE | STRAIGHT |
| THIRD STEP NOMINAL DIAMETER | 1.181 INCHES SECOND END |
| THIRD STEP NOMINAL LENGTH | 0.943 INCHES SECOND END |