-109 WHITE BUNA 70D FDA O-RING

APG stocks the H70FDA109, an AS568-109 white Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 0.299 in (7.59 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.505 in (12.83 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

This material stands up to many alcohols, propane and butane, and hydraulic fluids. Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or ketones are present.

The compound meets FDA requirements for food contact, is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include automotive, general industrial maintenance, and hydraulic and pneumatic systems.

Reference part number H70FDA109 when ordering; the item is sold individually. Nominal inside diameter is listed as 5/16 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.