4MM CS X 140MM ID BLACK BUNA 70D

Ordered as H4X140, this is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 140 mm (5.512 in), a cross section of 4 mm (0.157 in), and an outside diameter of 148 mm (5.83 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. Expect good resistance to propane and butane, many alcohols, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

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

Reference part number H4X140 when ordering; the item is sold individually. Unit weight is approximately 7.194 g. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.