The Washer A, Sealing is the lowest priced item on this Eop-1 schematic.
Parts such as the Eop-1: O-ring,20.6x1.9, Gasket Cyln.head (nas), Washer, Sealing, Gasket Kit,a (nas) are included in the C50cm 2000 (y) Japan Aa01-100 Eop-1 parts fiche.
The C50cm 2000 (y) Japan Aa01-100 Eop-1 consists of eighteen pieces with the Gasket Kit,a (nas) being the most expensive.