2MM CS X 35.5MM ID BLACK BUNA 70D

This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 35.5 mm (1.398 in), a cross section of 2 mm (0.079 in), and an outside diameter of 39.5 mm (1.56 in), catalogued under part number H2X35.5. It provides a reliable static or dynamic seal by deforming into its gland under assembly load. Source specification: Metric O-RING, JIS S36.

The material holds up against petroleum-based oils, many alcohols, and greases and lubricants. That behavior comes from the compound itself: Buna-N (Nitrile) is specified for low compression set under sustained load, reliable performance in both static and dynamic service. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or strong acids.

It sees regular use in fluid power, general industrial maintenance, and construction equipment.

Order part number H2X35.5, sold individually. Unit weight is approximately 0.4545 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.