| MATERIAL AND LOCATION | STEEL, FED STD 66, SAE HNV3 TIP |
| STEEL, FED STD 66, SAE EV8 HEAD |
| STEEL, FED STD 66, SAE EV8 STEM |
| METALLIC HARDNESS RATING AND LOCATION | 32.0 ROCKWELL C MINIMUM HEAD |
| 32.0 ROCKWELL C MINIMUM STEM |
| 60.0 SHORE SCLEROSCOPE MINIMUM TIP |
| HEAD STYLE | CONCAVE |
| HEAD HEIGHT | 0.2380 INCHES MINIMUM AND |
| 0.2480 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.1820 INCHES MINIMUM AND |
| 2.1920 INCHES MAXIMUM |
| NECK RADIUS | 0.5000 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM STYLE | TAPERED AND GROOVED |
| GROOVE DIAMETER | 0.4220 INCHES MINIMUM AND |
| 0.4280 INCHES MAXIMUM |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| GROOVE WIDTH | 0.1560 INCHES MINIMUM AND |
| 0.1660 INCHES MAXIMUM |
| MINOR OUTSIDE DIAMETER | 0.4970 INCHES MINIMUM AND |
| 0.4980 INCHES MAXIMUM |
| MINOR DIAMETER LENGTH | 0.5318 INCHES NOMINAL |
| STEM LENGTH | 6.9310 INCHES MINIMUM AND |
| 6.9450 INCHES MAXIMUM |
| STEM DIAMETER | 0.5570 INCHES MINIMUM AND |
| 0.5580 INCHES MAXIMUM |
| DISTANCE FROM MINOR DIAMETER TO STEM END | 0.5920 INCHES NOMINAL |
| DISTANCE FROM GROOVE TO STEM END | 1.2800 INCHES NOMINAL |
| CHAMFER ANGLE IN DEG | 45.0 |
| TAPER ANGLE IN DEG | 15.0 |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| FSC APPLICATION DATA | DIESEL ENGINE |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 02978 |
| DESIGN CONTROL REFERENCE | 10882968 |