| DISTANCE FROM GROOVE TO STEM END | 0.1380 INCHES MINIMUM AND 0.1530 INCHES MAXIMUM |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0300 INCHES NOMINAL |
| FSC APPLICATION DATA | GASOLINE ENGINE AIRCRAFT |
| GROOVE DIAMETER | 0.3290 INCHES MINIMUM AND 0.3350 INCHES MAXIMUM |
| GROOVE WIDTH | 0.1320 INCHES MINIMUM AND 0.1420 INCHES MAXIMUM |
| HEAD HEIGHT | 0.1200 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM |
| HEAD STYLE | INVERTED CONE |
| III MATERIAL AND LOCATION | STEEL, FED STD 66, SAE HNV3 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| METALLIC HARDNESS RATING AND LOCATION | 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM HEAD ERR-100 |
| METALLIC HARDNESS RATING AND LOCATION | 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM SEAT FACE ERR-100 |
| METALLIC HARDNESS RATING AND LOCATION | 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM STEM ERR-100 |
| METALLIC HARDNESS RATING AND LOCATION | 73.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM HEAD |
| METALLIC HARDNESS RATING AND LOCATION | 73.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM SEAT FACE |
| METALLIC HARDNESS RATING AND LOCATION | 73.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM STEM ERR-100 |
| METALLIC HARDNESS RATING AND LOCATION | 69.0 ROCKWELL SUPERFICIAL 30-N MINIMUM TIP |
| NECK RADIUS | 0.4300 INCHES NOMINAL |
| OUTSIDE DIAMETER | 2.2190 INCHES MINIMUM AND 2.2290 INCHES MAXIMUM |
| SEAT ANGLE IN DEG | 29.0 |
| STEM DIAMETER | 0.4250 INCHES MINIMUM AND 0.4300 INCHES MAXIMUM |
| STEM LENGTH | 4.6500 INCHES MINIMUM AND 4.6550 INCHES MAXIMUM |
| STEM STYLE | GROOVED |