The H70337 is an AS568-337 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 2.975 in (75.57 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.395 in (86.23 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. It resists propane and butane, many alcohols, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong acids or polar solvents.
You will find this material specified across construction equipment, fluid power, and agricultural equipment.
This item is sold individually under part number H70337. Unit weight is approximately 6.9256 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -337 BLACK BUNA 70D O-RING
uf_description2 0.210" (5.33MM) CS X 2.975" (75.57MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 2.975 inch (75.57 mm)
Actual_OD 3.395 inch (86.23 mm)
ProductCode Description O-Rings - Bulk - Commodity