This o-ring is supplied in AS568-353 black Buna-N (Nitrile) 90 Shore A with an inside diameter of 4.975 in (126.37 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.395 in (137.03 mm), catalogued under part number H90353. It delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Expect good resistance to water, hydraulic fluids, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).
You will find this material specified across fluid power, hydraulic and pneumatic systems, and general industrial maintenance.
Reference part number H90353 when ordering; the item is sold individually. Unit weight is approximately 12.965 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 -353 BLACK BUNA 90D O-RING
uf_description2 0.210" (5.33MM) CS X 4.975" (126.36MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 4.975 inch (126.37 mm)
Actual_OD 5.395 inch (137.03 mm)
ProductCode Description O-Rings - Bulk - Commodity