3.5MM CS X 37.7MM ID BLACK BUNA 70D

Ordered as H3.5X37.7, this is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 37.7 mm (1.484 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 44.7 mm (1.76 in). The 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 P38.

Buna-N (Nitrile) offers low compression set under sustained load and an economical choice for high-volume maintenance programs. The compound resists water, many alcohols, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with strong acids or ketones.

Common environments for this compound include construction equipment, agricultural equipment, and hydraulic and pneumatic systems.

Reference part number H3.5X37.7 when ordering; the item is sold individually. Review your operating media and conditions against this specification before installation.