-227 BLACK BUNA 70D O-RING

Part number H70MD227 is an AS568-227 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 2.109 in (53.57 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.387 in (60.63 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. This material stands up to greases and lubricants, propane and butane, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or ketones.

This item is metal detectable for HACCP and foreign-body control programs. Maintenance and OEM teams specify it across hydraulic and pneumatic systems, automotive, and agricultural equipment.

H70MD227 ships individually. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.