3.5MM CS X 48.7MM ID BLACK BUNA 70D

APG stocks the H3.5X48.7, a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 48.7 mm (1.917 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 55.7 mm (2.19 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Supplementary detail from the product record: Metric O-RING, JIS P49.

The compound resists water, propane and butane, and many alcohols. Buna-N (Nitrile) delivers low compression set under sustained load and an economical choice for high-volume maintenance programs. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Common environments for this compound include hydraulic and pneumatic systems, fluid power, and automotive.

Reference part number H3.5X48.7 when ordering; the item is sold individually. Unit weight is approximately 1.9425 g. 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.