-386 BLACK BUNA 70D O-RING

Ordered as H70386, this is an AS568-386 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 16.955 in (430.66 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 17.375 in (441.33 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is specified here for low compression set under sustained load, reliable performance in both static and dynamic service. This material stands up to propane and butane, greases and lubricants, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or strong acids.

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

Order part number H70386, sold individually. Unit weight is approximately 37.404 g. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.