1.5MM CS X 39.5MM ID BLACK BUNA 70D

Part number H1.5X39.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 39.5 mm (1.555 in), a cross section of 1.5 mm (0.059 in), and an outside diameter of 42.5 mm (1.67 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

The compound resists greases and lubricants, many alcohols, and water. That behavior comes from the compound itself: Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Exposure to strong acids or automotive brake fluid will shorten service life.

You will find this material specified across fluid power, agricultural equipment, and automotive.

Order part number H1.5X39.5, sold individually. 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.