| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13048 FS 8615,FS 8620,FS 8720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND |
| 34.0 ROCKWELL C MAXIMUM BODY |
| 58.0 ROCKWELL C MINIMUM AND |
| 62.0 ROCKWELL C MAXIMUM TEETH |
| TEETH QUANTITY | 25 |
| TEETH TYPE | STRAIGHT |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PITCH ANGLE | 49.9698 DEGREES |
| STYLE DESIGNATOR | PERIPHERAL FACE, BACK HUB PROTRUDING |
| PITCH DIAMETER | 3.1250 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 2.375 INCHES |
| NOMINAL OUTSIDE DIAMETER | 3.2356 INCHES |
| FACE NOMINAL WIDTH | 0.620 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.960 INCHES SECOND END |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 1.335 INCHES BOTH ENDS |
| BORE NOMINAL DEPTH | 2.375 INCHES BOTH ENDS |
| SPLINE QUANTITY | 25 BOTH ENDS |
| SPLINE PITCH DIAMETER | 1.2500 INCHES NOMINAL BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.812 INCHES BOTH ENDS |
| 0.687 INCHES FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 1.210 INCHES BOTH ENDS |
| 1.210 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |
| END NOMINAL DIAMETER | 1.622 INCHES FIRST END |
| FIRST GROOVE NOMINAL WIDTH | 0.180 INCHES FIRST END |
| FIRST GROOVE NOMINAL DIAMETER | 1.440 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| SPECIAL FEATURES | SPLINE MINOR DIA 1.210 IN. NOM; TOOTH PRESSURE ANGLE 30.0 DEG |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 19207 |
| DESIGN CONTROL REFERENCE | 7521264 |