3.53MM CS X 73.03MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 73.03 mm (2.875 in), a cross section of 3.53 mm (0.139 in), and an outside diameter of 80.09 mm (3.15 in), catalogued under part number H3.53X73.03. It delivers dependable bidirectional sealing in a compact groove envelope.

It resists hydraulic fluids, propane and butane, and petroleum-based oils. Buna-N (Nitrile) is valued for low compression set under sustained load, strong abrasion and tear resistance. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or strong acids call for a different compound.

Typical settings include construction equipment, automotive, and hydraulic and pneumatic systems.

Stocked as H3.53X73.03 and sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.