The V70240 is an AS568-240 black Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 3.734 in (94.84 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.012 in (101.9 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.
Expect good resistance to engine and transmission fluids, aromatic hydrocarbons, and petroleum oils and fuels. Viton® (FKM) offers excellent resistance to compression set and permeation, long service life in hot, chemically aggressive environments. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with low-molecular-weight organic acids or ketones and esters.
It sees regular use in chemical processing, semiconductor equipment, and automotive fuel systems.
Reference part number V70240 when ordering; the item is sold individually. Unit weight is approximately 5.665 g and nominal inside diameter is listed as 3 3/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -240 BLACK FKM 75D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 3.734 inch (94.84 mm)
Actual Outside Diameter 4.012 inch (101.9 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity