The Washer(6a1) is the cheapest item from this partsfiche.
Parts such as the Rear Shocks: Nut, Self-locking(j17), Shock Absorber Assy, Rear, Collar (26h), Bolt, Washer Based (26h) are included in the Xvz12dlc2 Venture Royale 1984 (e) Usa Rear Shocks parts fiche.
With two applications this Screw Pan Head is the most specified part.