3.5MM CS X 13MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 13 mm (0.512 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 20 mm (0.79 in), catalogued under part number H3.5X13. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. The compound resists greases and lubricants, petroleum-based oils, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in automotive brake fluid or strong acids.

Maintenance and OEM teams specify it across agricultural equipment, automotive, and hydraulic and pneumatic systems.

Reference part number H3.5X13 when ordering; the item is sold individually. Unit weight is approximately 0.61 g. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.