| DISTANCE FROM FIRST GROOVE TO STEM END | 0.4860 INCHES NOMINAL |
| DISTANCE FROM SECOND GROOVE TO STEM END | 0.6410 INCHES NOMINAL |
| DISTANCE FROM THIRD GROOVE TO STEM END | 0.7500 INCHES NOMINAL |
| CHAMFER ANGLE IN DEG | 30.0 |
| CHAMFER LENGTH | 0.0500 INCHES NOMINAL |
| FIRST GROOVE DIAMETER | 0.3000 INCHES MINIMUM AND 0.3700 INCHES MAXIMUM |
| HEAD HEIGHT | 0.1562 INCHES NOMINAL |
| HEAD STYLE | MUSHROOM |
| OUTSIDE DIAMETER | 1.8650 INCHES MINIMUM AND 1.8850 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| METALLIC HARDNESS RATING AND LOCATION | 20.0 ROCKWELL C MINIMUM OVERALL |
| METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MAXIMUM OVERALL |
| NECK RADIUS | 0.1875 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 30.0 |
| SECOND GROOVE DIAMETER | 0.3600 INCHES MINIMUM AND 0.3700 INCHES MAXIMUM |
| THIRD GROOVE DIAMETER | 0.4040 INCHES MINIMUM AND 0.4080 INCHES MAXIMUM |