| MATERIAL AND LOCATION | STEEL, FED STD 66, SAE HNV4 HEAD |
| SODIUM INTERNAL FILLING |
| STEEL, FED STD 66, AISI/SAE 8645 TIP |
| METALLIC HARDNESS RATING AND LOCATION | 37.0 ROCKWELL C MINIMUM HEAD AND |
| 45.0 ROCKWELL C MAXIMUM HEAD |
| 37.0 ROCKWELL C MINIMUM SEAT FACE AND |
| 45.0 ROCKWELL C MAXIMUM SEAT FACE |
| 37.0 ROCKWELL C MINIMUM STEM AND |
| 45.0 ROCKWELL C MAXIMUM STEM |
| 50.0 ROCKWELL C MINIMUM TIP |
| HEAD STYLE | FLAT |
| HEAD HEIGHT | 0.1950 INCHES MINIMUM AND |
| 0.2050 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.5570 INCHES MINIMUM AND |
| 1.5670 INCHES MAXIMUM |
| NECK RADIUS | 0.3400 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 0AHP5 |
| DESIGN CONTROL REFERENCE | A100016 |