APG stocks the H70147, an AS568-147 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 2.675 in (67.95 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.881 in (73.18 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Buna-N (Nitrile) is known for strong abrasion and tear resistance, low compression set under sustained load. Expect good resistance to greases and lubricants, hydraulic fluids, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or automotive brake fluid are present.
It sees regular use in agricultural equipment, fluid power, and general industrial maintenance.
Order part number H70147, sold individually. Unit weight is approximately 0.0015 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description -147 BLACK BUNA 70D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 2.675 inch (67.95 mm)
Actual Outside Diameter 2.881 inch (73.18 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity