-284 BLACK FKM 90D O-RING
AS568-284 black Viton® (FKM) 90 Shore A O-Ring with an inside diameter of 17.955 in (456.06 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 18.233 in (463.12 mm). Very low compression set at elevated temperature.
Material Fluoroelastomer (FKM/Viton)
Minimum_Temp -15°F (-26°C)
Maximum_Temp 400°F (204°C)