This o-ring is supplied in AS568-331 black Viton® (FKM) 75 Shore A supplied with an inside diameter of 2.225 in (56.52 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.645 in (67.18 mm), catalogued under part number V70331. It remains the most cost-effective sealing element available for pressurized assemblies.
Viton® (FKM) offers excellent resistance to compression set and permeation, very low compression set at elevated temperature. It resists many acids, aromatic hydrocarbons, and aggressive chemicals. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). It should not be specified for service in amines or low-molecular-weight organic acids.
Typical settings include semiconductor equipment, aerospace, and oil and gas.
Stocked as V70331 and sold individually. Unit weight is approximately 8.1178 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description -331 BLACK FKM 75D O-RING
uf_description2 0.210" (5.33MM) CS X 2.225" (56.52MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 2.225 inch (56.52 mm)
Actual_OD 2.645 inch (67.18 mm)
ProductCode Description O-Rings - Bulk - Commodity