| FIRST GROOVE DIAMETER | 0.3020 INCHES MINIMUM AND 0.3080 INCHES MAXIMUM |
| HEAD HEIGHT | 0.1910 INCHES NOMINAL |
| HEAD STYLE | FLAT |
| OUTSIDE DIAMETER | 1.7990 INCHES MINIMUM AND 1.8090 INCHES MAXIMUM |
| MATERIAL AND LOCATION | STEEL,VMS201 OR SAE 21-4N,HEAD |
| MATERIAL AND LOCATION | STEEL,VMS201 OR SAE21-4,STEM |
| MATERIAL AND LOCATION | STEEL,VMS216 OR SAE 3140,TIP |
| METALLIC HARDNESS RATING AND LOCATION | 32.0 ROCKWELL C NOMINAL HEAD |
| METALLIC HARDNESS RATING AND LOCATION | 32.0 ROCKWELL C NOMINAL STEM |
| METALLIC HARDNESS RATING AND LOCATION | 83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM TIP |
| METALLIC HARDNESS RATING AND LOCATION | 87.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM TIP |
| NECK RADIUS | 0.4380 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| SECOND GROOVE DIAMETER | 0.3020 INCHES MINIMUM AND 0.3080 INCHES MAXIMUM |
| STEM DIAMETER | 0.3710 INCHES MINIMUM AND 0.3720 INCHES MAXIMUM |
| STEM LENGTH | 5.5545 INCHES MINIMUM AND 5.5695 INCHES MAXIMUM |
| STEM STYLE | DOUBLE GROOVED |
| CHAMFER LENGTH | 0.0150 INCHES NOMINAL |
| CHAMFER ANGLE IN DEG | 45.0 |
| CARBON RELIEF GROOVE | NOT INCLUDED |