| CARBON GROOVE | NOT INCLUDED |
| CUT DEPTH | 0.750 INCHES NOMINAL |
| DIAMETER | 4.125 INCHES NOMINAL |
| DISTANCE BETWEEN PIN BOSSES | 1.510 INCHES MINIMUM AND 1.540 INCHES MAXIMUM |
| DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 1.897 INCHES MINIMUM AND 1.902 INCHES MAXIMUM |
| FINISHED SIZE DESIGNATION | STANDARD |
| FSC APPLICATION DATA | GASOLINE ENGINE,NONAIRCRAFT |
| HEAD STYLE | DISH |
| MATERIAL | ALUMINUM |
| PIN HOLE BUSHING | NOT INCLUDED |
| PIN TYPE FOR WHICH DESIGNED | FLOATING |
| PINHOLE DIAMETER | 1.0940 INCHES NOMINAL |
| PIN | NOT INCLUDED |
| OIL GROOVE | NOT INCLUDED |
| OVERALL HEIGHT | 3.840 INCHES NOMINAL |
| SPECIAL FEATURES | CAST IRON RING GROOVE PROTECTOR FOR NUMBER 1 POSITION GROOVE,STEEL STRUTS PROVIDED IN PISTON |
| RETAINING RING GROOVE | NOT INCLUDED |
| RING GROOVE DIAMETER | |
| RING GROOVE QUANTITY | 3 |
| RING GROOVE WIDTH | |
| RING | NOT INCLUDED |
| SKIRT BOTTOM CUTAWAY FEATURE | INCLUDED |
| SKIRT TYPE | SOLID |
| SUPPLEMENTARY FEATURES | OIL PASSAGE SLOT |
| SURFACE FINISH | FINISHED |
| SURFACE TREATMENT | TIN |