APG stocks the H70213, an AS568-213 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 0.921 in (23.39 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.199 in (30.45 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
It resists greases and lubricants, propane and butane, and water. Buna-N (Nitrile) is widely chosen for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in polar solvents or automotive brake fluid.
Typical settings include hydraulic and pneumatic systems, fluid power, and general industrial maintenance.
Reference part number H70213 when ordering; the item is sold individually. Unit weight is approximately 1.0382 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -213 BLACK BUNA 70D O-RING
uf_description2 0.139" (3.53MM) CS X 0.921" (23.39MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 0.921 inch (23.39 mm)
Actual_OD 1.199 inch (30.45 mm)
ProductCode Description O-Rings - Bulk - Commodity