| MATERIAL | ALUMINUM |
| DIAMETER | 4.032 INCHES NOMINAL |
| OVERALL HEIGHT | 2.741 INCHES NOMINAL |
| SURFACE FINISH | FINISHED |
| FINISHED SIZE DESIGNATION | STANDARD |
| WEIGHT | 24.000 OUNCES |
| HEAD STYLE | FLAT |
| SKIRT TYPE | SOLID |
| SKIRT BOTTOM CUTAWAY FEATURE | NOT INCLUDED |
| RING GROOVE QUANTITY | 4 |
| RING GROOVE WIDTH | 0.1005 INCHES NOMINAL 1ST RING |
| 0.0990 INCHES NOMINAL 2ND RING |
| 0.1895 INCHES NOMINAL 3RD RING |
| RING GROOVE DIAMETER | 3.673 INCHES NOMINAL 1ST RING |
| 3.673 INCHES NOMINAL 2ND RING |
| 3.783 INCHES NOMINAL 3RD RING |
| OIL PASSAGE TYPE | HOLE |
| RING GROOVE POSITION BELOW PISTON PIN | NUMBER 1,NUMBER 2,NUMBER 3,AND NUMBER 4 ALL RINGS |
| CARBON GROOVE | NOT INCLUDED |
| OIL GROOVE | NOT INCLUDED |
| DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 1.593 INCHES NOMINAL |
| PIN HOLE BUSHING | INCLUDED |
| PINHOLE DIAMETER | 0.9219 INCHES NOMINAL |
| DISTANCE BETWEEN PIN BOSSES | 1.300 INCHES NOMINAL |
| RETAINING RING GROOVE | NOT INCLUDED |
| PIN | INCLUDED |
| PIN TYPE FOR WHICH DESIGNED | FLOATING |
| RING | INCLUDED |
| FSC APPLICATION DATA | GASOLINE,ENGINE,MODEL NO. PC30-1,2 AND PC60-2 |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 28839 |
| DESIGN CONTROL REFERENCE | 530348A1 |