Ordered as H70019, this is an AS568-019 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 0.801 in (20.35 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 0.941 in (23.9 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
As a material, Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. The compound resists hydraulic fluids, greases and lubricants, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or polar solvents are present.
Common environments for this compound include fluid power, agricultural equipment, and hydraulic and pneumatic systems.
Reference part number H70019 when ordering; the item is sold individually. Unit weight is approximately 0.2121 g. Check the compound against your process media, pressure and temperature before committing to a design.
description -019 BLACK BUNA 70D O-RING
uf_description2 0.070" (1.78MM) CS X 0.801" (20.35MM) ID
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 0.801 inch (20.35 mm)
Actual_OD 0.941 inch (23.9 mm)
ProductCode Description O-Rings - Bulk - Commodity