| MATERIAL | ALUMINUM |
| DIAMETER | 3.250 INCHES NOMINAL |
| OVERALL HEIGHT | 3.125 INCHES NOMINAL |
| SURFACE FINISH | FINISHED |
| FINISHED SIZE DESIGNATION | OVERSIZE |
| OVERSIZE | 0.020 INCHES NOMINAL |
| WEIGHT | 13.000 OUNCES |
| HEAD STYLE | HAT |
| SKIRT TYPE | FULL SPLIT |
| SKIRT BOTTOM CUTAWAY FEATURE | NOT INCLUDED |
| SKIRT SLOT STYLE | BASE TO GROOVE SLOT |
| RING GROOVE QUANTITY | 3 |
| RING GROOVE WIDTH | 0.0965 INCHES NOMINAL 1ST RING |
| 0.0955 INCHES NOMINAL 2ND RING |
| 0.0955 INCHES NOMINAL 3RD RING |
| RING GROOVE DIAMETER | 2.094 INCHES NOMINAL 1ST RING |
| 2.969 INCHES NOMINAL 2ND RING |
| 2.969 INCHES NOMINAL 3RD RING |
| OIL PASSAGE TYPE | HOLE ALL RINGS |
| RING GROOVE POSITION BELOW PISTON PIN | NO. 1,NO. 2 AND NO. 3 ALL RINGS |
| CARBON GROOVE | NOT INCLUDED |
| DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 1.500 INCHES NOMINAL |
| PIN HOLE BUSHING | INCLUDED |
| PINHOLE DIAMETER | 0.7500 INCHES NOMINAL |
| DISTANCE BETWEEN PIN BOSSES | 1.375 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 | 66289 |
| DESIGN CONTROL REFERENCE | DB190AS20 |