-261 BLUE FKM 75D O-RING

The V75MD261 is an AS568-261 blue Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 6.734 in (171.04 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 7.012 in (178.1 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to many acids, chlorinated solvents, and aromatic hydrocarbons. Viton® (FKM) is widely chosen for the industry benchmark where nitrile reaches its thermal limit and outstanding high-temperature capability. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service.

This item meets FDA requirements for food contact, carries NSF listing, and is metal detectable for HACCP and foreign-body control programs. Maintenance and OEM teams specify it across chemical processing, oil and gas, and semiconductor equipment.

Stocked as V75MD261 and sold individually. Nominal inside diameter is listed as 6 3/4 inch. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.