| MATERIAL | ALUMINUM ALLOY |
| DIAMETER | 4.1135 INCHES MINIMUM AND |
| 4.1150 INCHES MAXIMUM |
| OVERALL HEIGHT | 3.250 INCHES NOMINAL |
| SURFACE FINISH | FINISHED |
| FINISHED SIZE DESIGNATION | STANDARD |
| HEAD STYLE | HUMP |
| SKIRT TYPE | SOLID |
| SKIRT BOTTOM CUTAWAY FEATURE | NOT INCLUDED |
| RING GROOVE QUANTITY | 4 |
| RING GROOVE POSITION | NO. 1,NO. 2,NO. 3 AND NO. 4 POSITIONS |
| RING GROOVE WIDTH | 0.190 INCHES NOMINAL |
| RING GROOVE DIAMETER | 3.678 INCHES MINIMUM AND |
| 3.688 INCHES MAXIMUM AND |
| 3.718 INCHES MINIMUM AND |
| 3.728 INCHES MAXIMUM |
| OIL PASSAGE TYPE | HOLE |
| OIL GROOVE | NOT INCLUDED |
| DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 1.747 INCHES MINIMUM AND |
| 1.753 INCHES MAXIMUM |
| PIN HOLE BUSHING | NOT INCLUDED |
| PINHOLE DIAMETER | 0.7496 INCHES MINIMUM AND |
| 0.7500 INCHES MAXIMUM |
| DISTANCE BETWEEN PIN BOSSES | 1.375 INCHES NOMINAL |
| RETAINING RING GROOVE | INCLUDED |
| PIN | INCLUDED |
| PIN TYPE FOR WHICH DESIGNED | LOCKED |
| RING | NOT INCLUDED |
| INTEGRAL CONNECTING ROD | NOT INCLUDED |
| FSC APPLICATION DATA | COMPRESSOR,LUBRICATION AND SERVICE UNIT |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 81425 |
| DESIGN CONTROL REFERENCE | 4047 |