2MM CS X 73MM ID BLACK BUNA 70D

Ordered as H2X73, this is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 73 mm (2.874 in), a cross section of 2 mm (0.079 in), and an outside diameter of 77 mm (3.03 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The compound resists many alcohols, hydraulic fluids, and petroleum-based oils. That behavior comes from the compound itself: Buna-N (Nitrile) delivers low compression set under sustained load, reliable performance in both static and dynamic service. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where ketones or automotive brake fluid are present.

Typical settings include agricultural equipment, automotive, and fluid power.

Order part number H2X73, sold individually. Unit weight is approximately 0.001 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.