-428 BLUE FKM 75D O-RING

Ordered as V75MD428, this is an AS568-428 blue Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 4.85 in (123.19 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.4 in (137.16 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.

Viton® (FKM) is specified here for industry benchmark where nitrile reaches its thermal limit, excellent resistance to compression set and permeation. It resists aromatic hydrocarbons, many acids, and chlorinated solvents. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Applications involving ketones and esters or low-molecular-weight organic acids call for a different compound.

This item meets FDA requirements for food contact, carries NSF listing, and is metal detectable for HACCP and foreign-body control programs. You will find this material specified across chemical processing, semiconductor equipment, and high-temperature process equipment.

Order part number V75MD428, sold individually. Nominal inside diameter is listed as 4 7/8 inch. 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.