This o-ring is supplied in AS568-221 black Viton® (FKM) 75 Shore A supplied with an inside diameter of 1.421 in (36.09 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.699 in (43.15 mm), catalogued under part number V70221. It delivers dependable bidirectional sealing in a compact groove envelope.
Viton® (FKM) delivers excellent resistance to compression set and permeation, outstanding high-temperature capability. Expect good resistance to engine and transmission fluids, aromatic hydrocarbons, and petroleum oils and fuels. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service. It should not be specified for service in amines or ketones and esters.
It sees regular use in high-temperature process equipment, chemical processing, and aerospace.
Order part number V70221, sold individually. Unit weight is approximately 2.2611 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
Description -221 BLACK FKM 75D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 1.421 inch (36.09 mm)
Actual Outside Diameter 1.699 inch (43.15 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity