| MATERIAL AND LOCATION | STEEL, FED STD 66, AISI/SAE 3140 OVERALL |
| METALLIC HARDNESS RATING AND LOCATION | 50.0 SHORE SCLEROSCOPE MINIMUM STEM |
| 50.0 SHORE SCLEROSCOPE MAXIMUM TIP |
| HEAD STYLE | FLAT |
| HEAD HEIGHT | 0.1875 INCHES MINIMUM AND |
| 0.1895 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.8700 INCHES MINIMUM AND |
| 1.8800 INCHES MAXIMUM |
| NECK RADIUS | 0.4375 INCHES NOMINAL |
| SEAT ANGLE IN DEG | 45.0 |
| STEM STYLE | SLOTTED |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL |
| SLOT WIDTH | 0.1580 INCHES MINIMUM AND |
| 0.1620 INCHES MAXIMUM |
| SLOT LENGTH | 0.3300 INCHES MINIMUM AND |
| 0.3380 INCHES MAXIMUM |
| STEM LENGTH | 5.7031 INCHES NOMINAL |
| STEM DIAMETER | 0.3720 INCHES MINIMUM AND |
| 0.3730 INCHES MAXIMUM |
| DISTANCE FROM SLOT TO STEM END | 0.1377 INCHES MINIMUM AND |
| 0.1554 INCHES MAXIMUM |
| SLOT RADIUS | 0.0790 INCHES MINIMUM AND |
| 0.0810 INCHES MAXIMUM |
| CHAMFER ANGLE IN DEG | 45.0 |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| FSC APPLICATION DATA | GASOLINE ENGINE |