-339 BLACK FKM 75D O-RING

Part number V70339 is an AS568-339 black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 3.225 in (81.92 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.645 in (92.58 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Viton® (FKM) offers very low compression set at elevated temperature and outstanding high-temperature capability. Expect good resistance to 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 is not the right choice where low-molecular-weight organic acids or ketones and esters are present.

It sees regular use in aerospace, oil and gas, and semiconductor equipment.

Stocked as V70339 and sold individually. Unit weight is approximately 11.397 g. 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.