-029 WHITE BUNA 70D FDA O-RING

H70FDA029 is an AS568-029 white Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 1.489 in (37.82 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.629 in (41.38 mm). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

As a material, Buna-N (Nitrile) is valued for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. This material stands up to hydraulic fluids, propane and butane, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or polar solvents call for a different compound.

This o-ring meets FDA requirements for food contact, is metal detectable for HACCP and foreign-body control programs. It sees regular use in agricultural equipment, hydraulic and pneumatic systems, and automotive.

Stocked as H70FDA029 and sold individually. Unit weight is approximately 0.385 g and nominal inside diameter is listed as 1 1/2 inch. Review your operating media and conditions against this specification before installation.