The H70326 is an AS568-326 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 1.6 in (40.64 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.02 in (51.31 mm). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, most widely specified general-purpose sealing elastomer. The compound resists water, greases and lubricants, and petroleum-based oils. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).
Common environments for this compound include general industrial maintenance, construction equipment, and agricultural equipment.
Reference part number H70326 when ordering; the item is sold individually. Unit weight is approximately 3.985 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description -326 BLACK BUNA 70D O-RING
uf_description2 0.210" (5.33MM) CS X 1.600" (40.64MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 1.6 inch (40.64 mm)
Actual_OD 2.02 inch (51.31 mm)
ProductCode Description O-Rings - Bulk - Commodity