| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0200 INCHES MINIMUM AND 0.0400 INCHES MAXIMUM |
| DEPARTURE FROM CITED DOCUMENT | MILE11276 PARAGRAPH 3.8.3 VALVES |
| DISTANCE FROM GROOVE TO STEM END | 0.1860 INCHES NOMINAL |
| FSC APPLICATION DATA | DIESEL ENGINE |
| GROOVE DIAMETER | 0.4020 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM |
| GROOVE WIDTH | 0.3130 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM |
| HEAD HEIGHT | 0.2120 INCHES MINIMUM AND 0.2270 INCHES MAXIMUM |
| HEAD STYLE | MUSHROOM |
| METALLIC HARDNESS RATING AND LOCATION | 18.0 ROCKWELL C NOMINAL HEAD |
| METALLIC HARDNESS RATING AND LOCATION | 52.0 ROCKWELL C MINIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 52.0 ROCKWELL C NOMINAL TIP |
| METALLIC HARDNESS RATING AND LOCATION | 58.0 ROCKWELL C MAXIMUM STEM |
| NECK RADIUS | 0.6875 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.9275 INCHES MINIMUM AND 1.9375 INCHES MAXIMUM |
| SEAT ANGLE IN DEG | 30.0 |
| STEM DIAMETER | 0.4960 INCHES MINIMUM AND 0.4970 INCHES MAXIMUM |
| STEM LENGTH | 6.8450 INCHES MINIMUM AND 6.8850 INCHES MAXIMUM |
| STEM STYLE | GROOVED |
| SPECIAL FEATURES | USED ON ROTARY AIR COMPRESSOR UNIT;4310-00-878-1905 |