| MATERIAL | ALUMINUM |
| DIAMETER | 3.250 INCHES NOMINAL |
| OVERALL HEIGHT | 3.375 INCHES NOMINAL |
| SURFACE FINISH | FINISHED |
| FINISHED SIZE DESIGNATION | OVERSIZE |
| OVERSIZE | 0.020 INCHES NOMINAL |
| WEIGHT | 13.0 OUNCES |
| HEAD STYLE | FLAT |
| SKIRT TYPE | FULL SPLIT |
| SKIRT BOTTOM CUTAWAY FEATURE | NOT INCLUDED |
| SKIRT SLOT STYLE | TELEPHONE SLOT |
| RING GROOVE QUANTITY | 4 |
| RING GROOVE WIDTH | 0.0955 INCHES MINIMUM AND |
| 0.0965 INCHES MAXIMUM 1ST RING |
| 0.0945 INCHES MINIMUM AND |
| 0.0955 INCHES MAXIMUM 2ND RING |
| 0.1890 INCHES MINIMUM AND |
| 0.1900 INCHES MAXIMUM 3RD RING |
| RING GROOVE DIAMETER | 2.930 INCHES MINIMUM 1ST RING |
| 2.940 INCHES MAXIMUM 2ND RING |
| 2.930 INCHES MINIMUM 3RD RING |
| 2.940 INCHES MAXIMUM 4TH RING |
| 2.890 INCHES MINIMUM 5TH RING |
| 2.900 INCHES MAXIMUM 6TH RING |
| OIL PASSAGE TYPE | SLOT |
| CARBON GROOVE | NOT INCLUDED |
| OIL GROOVE | NOT INCLUDED |
| DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 1.500 INCHES NOMINAL |
| PIN HOLE BUSHING | NOT INCLUDED |
| PINHOLE DIAMETER | 0.7495 INCHES MINIMUM AND |
| 0.7500 INCHES MAXIMUM |
| DISTANCE BETWEEN PIN BOSSES | 1.250 INCHES NOMINAL |
| RETAINING RING GROOVE | 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 | DB190B2SP20 |