The SB-H70034-100 is an AS568-034 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 2.114 in (53.7 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 2.254 in (57.25 mm). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. This item is further identified as 2.25IDX2.125"ODX.0625"CS.
As a material, Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. This material stands up to many alcohols, petroleum-based oils, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving ketones or ozone and direct sunlight call for a different compound.
Common environments for this compound include construction equipment, fluid power, and agricultural equipment.
Reference part number SB-H70034-100 when ordering; the item is sold by the bag. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description Buna 70-034-Black-Pk100
uf_description2 2.25"IDX2.125"ODX.0625"CS
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 2.114 inch (53.7 mm)
Actual_OD 2.254 inch (57.25 mm)
ProductCode Description O-Rings - Bagged - Commodity