This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 43 mm (1.693 in), a cross section of 2 mm (0.079 in), and an outside diameter of 47 mm (1.85 in), catalogued under part number H2X43. It compresses into its gland to block fluid or gas migration across a joint.
It resists greases and lubricants, propane and butane, and water. Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving strong acids or automotive brake fluid call for a different compound.
It sees regular use in hydraulic and pneumatic systems, automotive, and construction equipment.
Stocked as H2X43 and sold individually. Unit weight is approximately 0.559 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
description 2MM CS X 43MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 47 mm (1.85 inch)
Actual_CS 2 mm (0.079 inch)
Actual_ID 43 mm (1.693 inch)
ProductCode Description O-Rings - Metric - Commodity