| DESIGN FORM | PLAIN |
| TEETH ROW QUANTITY | 1 |
| TEETH QUANTITY PER ROW | 30 |
| TOOTH PITCH | 0.750 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4140 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624, COMP 4140, COND HR-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OR |
| AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE |
| STYLE DESIGNATOR | PLAIN |
| OUTSIDE DIAMETER | 7.586 INCHES NOMINAL |
| OVERALL LENGTH | 2.468 INCHES NOMINAL |
| PITCH DIAMETER | 7.175 INCHES NOMINAL |
| FACE WIDTH | 0.459 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | ROCKWELL |
| TEETH HARDNESS RATING | 200.0 BRINELL STANDARD MINIMUM AND |
| 240.0 BRINELL STANDARD MAXIMUM |
| METALLIC HARDNESS RATING AND LOCATION | 45.0 ROCKWELL C MINIMUM BODY AND |
| 50.0 ROCKWELL C MAXIMUM BODY |
| BORE TYPE | INVOLUTE SPLINE |
| COUNTERBORE LOCATION | AA END |
| COUNTERBORE DIAMETER | 0.937 INCHES NOMINAL |
| COUNTERBORE DEPTH | 0.968 INCHES NOMINAL |
| SPLINE QUANTITY | 80 |
| SPLINE MAJOR DIAMETER | 0.875 INCHES NOMINAL |
| SPLINE LENGTH | 1.300 INCHES NOMINAL |
| SPLINE PRESSURE ANGLE IN DEG | 30.0 |
| SPLINE PITCH DIAMETER | 0.833 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | STEPPED |
| HUB OUTSIDE DIAMETER | 1.500 INCHES NOMINAL AND |
| 1.625 INCHES NOMINAL AA END |
| 1.625 INCHES NOMINAL BB END |
| SPLINE MINOR DIAMETER | 0.792 INCHES NOMINAL |
| FURNISHED ITEMS | COUNTERBORE |
| DISTANCE FROM HUB END TO FLANGE END | 1.812 INCHES NOMINAL AA END |
| 0.094 INCHES NOMINAL BB END |
| FIRST STEP DIAMETER | 1.625 INCHES NOMINAL AA END |
| FIRST STEP LENGTH | 0.937 INCHES NOMINAL AA END |
| SECOND STEP LENGTH | 0.875 INCHES NOMINAL AA END |