4MM CS X 82MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 82 mm (3.228 in), a cross section of 4 mm (0.157 in), and an outside diameter of 90 mm (3.54 in), catalogued under part number H4X82. It delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, strong abrasion and tear resistance. The material holds up against greases and lubricants, water, and petroleum-based oils. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or strong acids are present.

Maintenance and OEM teams specify it across agricultural equipment, fluid power, and automotive.

Order part number H4X82, sold individually. Unit weight is approximately 4.17 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.