| MATERIAL AND LOCATION | STEEL OVERALL |
| METALLIC HARDNESS RATING AND LOCATION | 28.0 ROCKWELL C MINIMUM HEAD |
| 35.0 ROCKWELL C MAXIMUM HEAD |
| 28.0 ROCKWELL C MINIMUM SEAT FACE |
| 35.0 ROCKWELL C MAXIMUM SEAT FACE |
| 28.0 ROCKWELL C MINIMUM STEM |
| 35.0 ROCKWELL C MAXIMUM STEM |
| 50.0 SHORE SCLEROSCOPE NOMINAL TIP |
| HEAD STYLE | RAISED FACE |
| HEAD HEIGHT | 0.1875 INCHES MINIMUM AND |
| 0.2025 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.3090 INCHES MINIMUM AND |
| 1.3700 INCHES MAXIMUM |
| NECK RADIUS | 0.2500 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 7.0 |
| STEM STYLE | GROOVED |
| GROOVE DIAMETER | 0.2670 INCHES MINIMUM AND |
| 0.2730 INCHES MAXIMUM |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| GROOVE WIDTH | 0.0950 INCHES MINIMUM AND |
| 0.1050 INCHES MAXIMUM |
| STEM LENGTH | 4.1010 INCHES NOMINAL |
| STEM DIAMETER | 0.3080 INCHES MINIMUM AND |
| 0.3090 INCHES MAXIMUM |
| DISTANCE FROM GROOVE TO STEM END | 0.2400 INCHES MINIMUM AND |
| 0.2500 INCHES MAXIMUM |
| CHAMFER ANGLE IN DEG | 45.0 |
| CARBON RELIEF GROOVE | INCLUDED |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 66289 |
| DESIGN CONTROL REFERENCE | AE78C |