APG stocks the V75202, an AS568-202 black Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 0.234 in (5.94 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.512 in (13 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Viton® (FKM) is specified here for industry benchmark where nitrile reaches its thermal limit and very low compression set at elevated temperature. This material stands up to engine and transmission fluids, aggressive chemicals, and many acids. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in amines or hot water and steam.
It sees regular use in high-temperature process equipment, chemical processing, and semiconductor equipment.
Order part number V75202, sold individually. Unit weight is approximately 0.5409 g and nominal inside diameter is listed as 1/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -202 BLACK FKM 75D O-RING
uf_description2 0.139" (3.53MM) CS X 0.234" (5.94MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 0.234 inch (5.94 mm)
Actual_OD 0.512 inch (13 mm)
ProductCode Description O-Rings - Bulk - Commodity