4MM CS X 165MM ID BLACK BUNA 70D

H4X165 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 165 mm (6.496 in), a cross section of 4 mm (0.157 in), and an outside diameter of 173 mm (6.81 in). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, economical choice for high-volume maintenance programs. Expect good resistance to hydraulic fluids, water, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or strong acids.

Typical settings include general industrial maintenance, agricultural equipment, and construction equipment.

Order part number H4X165, sold individually. Unit weight is approximately 8.279 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.