-439 BROWN FKM 75D O-RING

This o-ring is supplied in AS568-439 brown Viton® (FKM) 75 Shore A supplied with an inside diameter of 6.475 in (164.47 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 7.025 in (178.44 mm), catalogued under part number VB75439. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Viton® (FKM) is specified here for very low compression set at elevated temperature and industry benchmark where nitrile reaches its thermal limit. It resists petroleum oils and fuels, chlorinated solvents, and aromatic hydrocarbons. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). Applications involving hot water and steam or amines call for a different compound.

Common environments for this compound include semiconductor equipment, chemical processing, and aerospace.

This item is sold individually under part number VB75439. Unit weight is approximately 41.528 g. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.