-389 BROWN FKM 75D O-RING

This o-ring is supplied in AS568-389 brown Viton® (FKM) 75 Shore A with an inside diameter of 19.953 in (506.81 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 20.373 in (517.47 mm), catalogued under part number VB75389. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Viton® (FKM) delivers the industry benchmark where nitrile reaches its thermal limit and very low compression set at elevated temperature. It resists petroleum oils and fuels, many acids, and aggressive chemicals. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C).

Common environments for this compound include high-temperature process equipment, chemical processing, and oil and gas.

VB75389 ships individually. Unit weight is approximately 73.268 g and nominal inside diameter is listed as 20 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.