| MATERIAL | STEEL COMP 4340 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | COPPER SPLINE |
| HARDNESS RATING | 31.0 ROCKWELL C MINIMUM AND |
| 36.0 ROCKWELL C MAXIMUM OVERALL |
| 45.0 ROCKWELL C MINIMUM AND |
| 55.0 ROCKWELL C MAXIMUM TEETH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-14550 CLASS 3 MFR REF SINGLE TREATMENT RESPONSE SPLINE |
| TEETH QUANTITY | 16 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | RIGHT |
| PRESSURE ANGLE | 20.0000 DEGREES |
| HELIX ANGLE | 23.9497 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| PITCH DIAMETER | 3.5000 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 3.900 INCHES |
| FACE NOMINAL WIDTH | 3.690 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.810 INCHES FIRST END |
| 1.250 INCHES SECOND END |
| BORE STYLE | INVOLUTE SPLINE SECOND END |
| W/STEPPED COUNTERBORE COUNTERBORE, FIRST END |
| BORE NOMINAL DIAMETER | 2.125 INCHES SECOND END |
| 2.060 INCHES COUNTERBORE, FIRST END |
| SPLINE QUANTITY | 11 SECOND END |
| SPLINE PITCH DIAMETER | 1.8333 INCHES NOMINAL SECOND END |
| COUNTERBORE NOMINAL DEPTH | 1.130 INCHES FIRST COUNTERBORE, SECOND END |
| 2.369 INCHES SECOND COUNTERBORE, SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 2.130 INCHES FIRST COUNTERBORE, SECOND END |
| 1.682 INCHES SECOND COUNTERBORE, SECOND END |
| HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| 1 GROOVE SECOND END |
| HUB NOMINAL DIAMETER | 2.954 INCHES SECOND END |
| END NOMINAL LENGTH | 0.620 INCHES FIRST END |
| END NOMINAL DIAMETER | 2.938 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 1.010 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 2.954 INCHES FIRST END |
| FIRST GROOVE NOMINAL WIDTH | 0.180 INCHES SECOND END |
| FIRST GROOVE NOMINAL DIAMETER | 2.906 INCHES SECOND END |
| NOMINAL DISTANCE FROM END TO FIRST GROOVE | 1.070 INCHES SECOND END |
| BODY STYLE | PLAIN, SOLID |