-312 WHITE BUNA 70D FDA O-RING

APG stocks the H70FDA312, an AS568-312 white Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 0.6 in (15.24 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.02 in (25.91 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. The compound resists petroleum-based oils, water, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

This o-ring meets FDA requirements for food contact under 21 CFR 177.2600. Common environments for this compound include agricultural equipment, construction equipment, and fluid power.

Stocked as H70FDA312 and sold individually. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.