twelve components are listed in the schematic for this Ca50j Jazz 2002 (2) Japan Eop-2 .
A sample from the products for the Eop-2 include: O Ring 14x1.5, Packing, Cock, Oring 183, O-ring 7x1.7.
In this schematic the "O-ring,6x1.7" is used most often.