-172 BROWN FKM 90D O-RING

Part number VB90172 is an AS568-172 brown Viton® (FKM) 90 Shore A O-Ring measuring an inside diameter of 8.237 in (209.22 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.443 in (214.45 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Viton® (FKM) offers very low compression set at elevated temperature, excellent resistance to compression set and permeation. The compound resists chlorinated solvents, aromatic hydrocarbons, and many acids. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C).

Maintenance and OEM teams specify it across aerospace, oil and gas, and semiconductor equipment.

Reference part number VB90172 when ordering; the item is sold individually. Nominal inside diameter is listed as 8 1/4 inch. Review your operating media and conditions against this specification before installation.