This o-ring is supplied in AS568-170 black Buna-N (Nitrile) 90 Shore A supplied with an inside diameter of 7.737 in (196.52 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 7.943 in (201.75 mm), catalogued under part number H90170. It creates a positive seal at flange, piston and rod interfaces without added hardware.
Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and economical choice for high-volume maintenance programs. It resists many alcohols, petroleum-based oils, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
You will find this material specified across automotive, fluid power, and agricultural equipment.
H90170 ships individually. Unit weight is approximately 4.392 g and nominal inside diameter is listed as 7 3/4 inch. 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 -170 BLACK BUNA 90D O-RING
uf_description2 0.103" (2.62MM) CS X 7.737" (196.52MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 7.737 inch (196.52 mm)
Actual_OD 7.943 inch (201.75 mm)
ProductCode Description O-Rings - Bulk - Commodity