| DISTANCE FROM GROOVE TO STEM END | 0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0156 INCHES MINIMUM AND 0.0312 INCHES MAXIMUM |
| GROOVE DIAMETER | 0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM |
| GROOVE WIDTH | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM |
| HEAD HEIGHT | 0.1563 INCHES NOMINAL |
| HEAD STYLE | FLAT |
| OUTSIDE DIAMETER | 1.1200 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 3140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 3140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 3140 OVERALL |
| METALLIC HARDNESS RATING AND LOCATION | 28.0 ROCKWELL C MINIMUM STEM AND 35.0 ROCKWELL C MAXIMUM STEM |
| NECK RADIUS | 0.2500 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM STYLE | GROOVED |