| CARBON RELIEF GROOVE | NOT INCLUDED |
| HEAD HEIGHT | 0.1950 INCHES MINIMUM AND 0.2050 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| OUTSIDE DIAMETER | 1.5570 INCHES MINIMUM AND 1.5670 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 8645 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 8645 ASSN STD SINGLE MATERIAL RESPONSE TIP |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR SAE SAE HNV4 ASSN STD SINGLE MATERIAL RESPONSE HEAD FIRST LAYER |
| MATERIAL | SODIUM INTERNAL FILLING SECOND LAYER |
| MATERIAL | STEEL COMP 8645 TIP |
| MATERIAL | STEEL COMP HNV-4 HEAD FIRST LAYER |
| METALLIC HARDNESS RATING | 37.0 MINIMUM ROCKWELL C AND 45.0 MAXIMUM ROCKWELL C HEAD |
| METALLIC HARDNESS RATING | 37.0 MINIMUM ROCKWELL C AND 45.0 MAXIMUM ROCKWELL C SEAT FACE |
| METALLIC HARDNESS RATING | 37.0 MINIMUM ROCKWELL C AND 45.0 MAXIMUM ROCKWELL C STEM |
| METALLIC HARDNESS RATING | 50.0 MINIMUM ROCKWELL C TIP |
| NECK RADIUS | 0.3400 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 SINGLE |