8-114 BLACK FKM 90D BACK-UP RING
AS568-114 black Viton® (FKM) 90 Shore A Back-Up Ring with an inside diameter of 0.612 in (15.54 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.818 in (20.78 mm). This back-up ring bridges the extrusion gap so the primary seal holds its shape under load.
Material Fluoroelastomer (FKM/Viton)
Minimum_Temp -15°F (-26°C)
Maximum_Temp 400°F (204°C)