| MATERIAL | ALUMINUM |
| DIAMETER | 2.750 INCHES NOMINAL |
| OVERALL HEIGHT | 2.250 INCHES NOMINAL |
| SURFACE FINISH | FINISHED |
| FINISHED SIZE DESIGNATION | OVERSIZE |
| OVERSIZE | 0.020 INCHES NOMINAL |
| HEAD STYLE | FLAT |
| SKIRT TYPE | SOLID |
| SKIRT BOTTOM CUTAWAY FEATURE | NOT INCLUDED |
| RING GROOVE QUANTITY | 4 |
| RING GROOVE WIDTH | 0.0970 INCHES NOMINAL AND |
| 0.0950 INCHES NOMINAL AND |
| 0.1260 INCHES NOMINAL |
| RING GROOVE DIAMETER | 2.454 INCHES NOMINAL 1ST RING |
| 2.478 INCHES NOMINAL 2ND RING |
| 2.438 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 | 1.249 INCHES MINIMUM AND |
| 1.251 INCHES MAXIMUM |
| PIN HOLE BUSHING | NOT INCLUDED |
| PINHOLE DIAMETER | 0.7495 INCHES MINIMUM AND |
| 0.7500 INCHES MAXIMUM |
| DISTANCE BETWEEN PIN BOSSES | 1.125 INCHES NOMINAL |
| RETAINING RING GROOVE | NOT INCLUDED |
| PIN | NOT INCLUDED |
| PIN TYPE FOR WHICH DESIGNED | FLOATING |
| RING | NOT INCLUDED |
| FSC APPLICATION DATA | ENGINE,GASOLINE,RECIPROCATING,NONAIRCRAFT |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 55948 |
| DESIGN CONTROL REFERENCE | 5558P020 |