The piston seal LUBRORING (part number 11.5910.0090) from Angst + Pfister ist a piston seal made of NBR (nitrile rubber). With dimensions of 90x78x6mm, this seal provides excellent sealing for hydraulic cylinders and piston applications. This specific piston seal ist designed for use in dynamic systems and ensures reliable performance even under demanding conditions. The NBR werstoff offers good resistance to oils and hydraulic fluids. Replacement part for pistons. Inquire now.