| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| DISTANCE BETWEEN FIRST AND SECOND GROOVE CENTERS | 0.143 INCHES MINIMUM AND 0.167 INCHES MAXIMUM |
| DISTANCE FROM BOTTOM TO FIRST GROOVE CENTER | 0.171 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
| FIRST GROOVE WIDTH | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| FSC APPLICATION DATA | MAIN ENGINE,CARRIER CARGO,AMPHIBIOUS |
| LARGEST INSIDE DIAMETER | 0.430 INCHES MINIMUM AND 0.434 INCHES MAXIMUM |
| LARGEST OUTSIDE DIAMETER | 0.652 INCHES NOMINAL |
| OUTSIDE INCLUDED ANGLE IN DEG | 14.25 |
| OVERALL HEIGHT | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| MATERIAL | STEEL |
| METALLIC HARDNESS RATING | 75.0 MINIMUM ROCKWELL B AND 85.0 MAXIMUM ROCKWELL B |
| MINIMUM INSIDE DIAMETER | 0.376 INCHES |
| SPECIAL FEATURES | 63 MIROINCH RMS FINISH SURFACES OF TOP,BOTTOM,AND GROOVES;32 MICROINCH RMS FINISH SURFACES OF OD AND BOTH ID;0.025 IN.MIN TO 0.031 IN.MAX RADIUS BETWEEN SMALLEST ID AND GROOVES |
| SECOND GROOVE WIDTH | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| STYLE DESIGNATOR | STRAIGHT BORE W/TWO GROOVES-LOWER OUTSIDE RADIUS |
| THREAD PROVISION | UNTHREADED |