-338 WHITE BUNA 70D FDA O-RING

APG stocks the H70FDA338, an AS568-338 white Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 3.1 in (78.74 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.52 in (89.41 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

The compound resists propane and butane, water, and hydraulic fluids. Buna-N (Nitrile) delivers low compression set under sustained load, strong abrasion and tear resistance. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

The compound meets FDA requirements for food contact under 21 CFR 177.2600. Common environments for this compound include fluid power, general industrial maintenance, and agricultural equipment.

Reference part number H70FDA338 when ordering; the item is sold individually. Nominal inside diameter is listed as 3 1/8 inch. Review your operating media and conditions against this specification before installation.