| MRC |
Requirement Statement |
Characteristics |
| ANNQ |
MATERIAL AND LOCATION |
STEEL, FED STD 66, AISI/SAE 3140 STEM STEEL, FED STD 66, SAE EV4 HEAD |
| ASXJ |
METALLIC HARDNESS RATING AND LOCATION |
37.0 ROCKWELL C NOMINAL STEM 37.0 ROCKWELL C NOMINAL TIP |
| ALZB |
NECK RADIUS |
0.4375 INCHES NOMINAL |
| AASK |
HEAD STYLE |
MUSHROOM |
| ZZZV |
III FSC APPLICATION DATA |
GASOLINE ENGINE |
| ALZD |
STEM LENGTH |
4.9158 INCHES MINIMUM AND 4.9208 INCHES MAXIMUM |
| ALYZ |
CARBON RELIEF GROOVE |
NOT INCLUDED |
| AATE |
CHAMFER ANGLE IN DEG |
45.0 |
| AJFY |
SEAT ANGLE IN DEG |
45.0 |
| ALYX |
STEM STYLE |
SLOTTED |
| ALZX |
SLOT RADIUS |
0.1790 INCHES MINIMUM AND 0.1810 INCHES MAXIMUM |
| ALZT |
DISTANCE FROM SLOT TO STEM END |
0.1094 INCHES NOMINAL |
| ABGC |
SLOT WIDTH |
0.1580 INCHES MINIMUM AND 0.1620 INCHES MAXIMUM |
| ABGD |
SLOT LENGTH |
0.3300 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.2010 INCHES MINIMUM AND 0.2210 INCHES MAXIMUM |
| AAZP |
CHAMFER LENGTH |
0.0312 INCHES NOMINAL |
| ABKV |
OUTSIDE DIAMETER |
1.5625 INCHES MINIMUM AND 1.5725 INCHES MAXIMUM |
| ALZE |
STEM DIAMETER |
0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM |
