3.6MM CS X 21.3MM ID BLACK BUNA 70D

The H3.6X21.3 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 21.3 mm (0.839 in), a cross section of 3.6 mm (0.142 in), and an outside diameter of 28.5 mm (1.12 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) offers strong abrasion and tear resistance, low compression set under sustained load. It resists water, petroleum-based oils, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving strong acids or ozone and direct sunlight call for a different compound.

Typical settings include hydraulic and pneumatic systems, agricultural equipment, and fluid power.

Reference part number H3.6X21.3 when ordering; the item is sold individually. Unit weight is approximately 1.176 g. Review your operating media and conditions against this specification before installation.