3.5MM CS X 63MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 63 mm (2.48 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 70 mm (2.76 in), catalogued under part number H3.5X63. It delivers dependable bidirectional sealing in a compact groove envelope.

This material stands up to greases and lubricants, petroleum-based oils, and many alcohols. Buna-N (Nitrile) is known for low compression set under sustained load, strong abrasion and tear resistance. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

Maintenance and OEM teams specify it across hydraulic and pneumatic systems, general industrial maintenance, and automotive.

Order part number H3.5X63, sold individually. Unit weight is approximately 2.455 g. 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.