| MATERIAL AND LOCATION | STEEL OVERALL |
| METALLIC HARDNESS RATING AND LOCATION | 40.0 ROCKWELL C MINIMUM OVERALL |
| 45.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | CONCAVE |
| HEAD HEIGHT | 0.1620 INCHES MINIMUM AND |
| 0.1720 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.3070 INCHES MINIMUM AND |
| 2.3170 INCHES MAXIMUM |
| NECK RADIUS | 0.5000 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM STYLE | GROOVED |
| GROOVE DIAMETER | 0.3590 INCHES MINIMUM AND |
| 0.3650 INCHES MAXIMUM |
| CHAMFER LENGTH | 0.0300 INCHES NOMINAL |
| GROOVE WIDTH | 0.1560 INCHES MINIMUM AND |
| 0.1660 INCHES MAXIMUM |
| STEM LENGTH | 4.7140 INCHES MINIMUM AND |
| 4.7240 INCHES MAXIMUM |
| STEM DIAMETER | 0.4330 INCHES MINIMUM AND |
| 0.4340 INCHES MAXIMUM |
| DISTANCE FROM GROOVE TO STEM END | 0.3200 INCHES NOMINAL |
| CHAMFER ANGLE IN DEG | 45.0 |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 28839 |
| DESIGN CONTROL REFERENCE | 532129 |