| MATERIAL | ALUMINUM ALLOY |
| DIAMETER | 3.875 INCHES NOMINAL |
| OVERALL HEIGHT | 3.925 INCHES MINIMUM AND |
| 3.935 INCHES MAXIMUM |
| SURFACE TREATMENT | TIN |
| SURFACE FINISH | FINISHED |
| FINISHED SIZE DESIGNATION | STANDARD |
| HEAD STYLE | CONCAVE |
| SKIRT TYPE | SOLID |
| SKIRT BOTTOM CUTAWAY FEATURE | INCLUDED |
| CUT DEPTH | 0.970 INCHES NOMINAL |
| RING GROOVE QUANTITY | 3 |
| RING GROOVE WIDTH | 0.0780 INCHES NOMINAL AND |
| 0.0940 INCHES NOMINAL AND |
| 0.1880 INCHES NOMINAL |
| RING GROOVE DIAMETER | 3.438 INCHES MINIMUM AND |
| 3.448 INCHES MAXIMUM 1ST RING |
| 3.438 INCHES MINIMUM AND |
| 3.448 INCHES MAXIMUM 2ND RING |
| 3.450 INCHES MINIMUM AND |
| 3.460 INCHES MAXIMUM 3RD RING |
| CARBON GROOVE | NOT INCLUDED |
| OIL GROOVE | INCLUDED |
| DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 1.875 INCHES NOMINAL |
| PIN HOLE BUSHING | NOT INCLUDED |
| PINHOLE DIAMETER | 0.9750 INCHES NOMINAL |
| DISTANCE BETWEEN PIN BOSSES | 1.480 INCHES MINIMUM AND |
| 1.520 INCHES MAXIMUM |
| RETAINING RING GROOVE | INCLUDED |
| PIN | INCLUDED |
| PIN TYPE FOR WHICH DESIGNED | LOCKING |
| RING | NOT INCLUDED |