This o-ring is supplied in black Viton® (FKM) 75 Shore A with an inside diameter of 18.5 mm (0.728 in), a cross section of 1 mm (0.039 in), and an outside diameter of 20.5 mm (0.81 in), catalogued under part number V1X18.5. It remains the most cost-effective sealing element available for pressurized assemblies.
As a material, Viton® (FKM) delivers excellent resistance to compression set and permeation, outstanding high-temperature capability. The compound resists engine and transmission fluids, petroleum oils and fuels, and many acids. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C).
It sees regular use in semiconductor equipment, high-temperature process equipment, and aerospace.
Reference part number V1X18.5 when ordering; the item is sold individually. Unit weight is approximately 0.0967 g. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 1MM CS X 18.5MM ID BLACK FKM 75D
uf_description2 METRIC O-RING
Actual_OD 20.5 mm (0.81 inch)
Actual_CS 1 mm (0.039 inch)
Actual_ID 18.5 mm (0.728 inch)
ProductCode Description O-Rings - Metric - Commodity