Part number SH70920 is an AS568-920 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring supplied with an inside diameter of 1.475 in (37.47 mm), a cross section of 0.118 in (3 mm), and an outside diameter of 1.711 in (43.46 mm). A quad-ring provides a dual sealing band on each contact face for improved reliability.
As a material, Buna-N (Nitrile) delivers strong abrasion and tear resistance, low compression set under sustained load. The compound resists greases and lubricants, hydraulic fluids, and many alcohols. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ketones or ozone and direct sunlight are present.
You will find this material specified across automotive, general industrial maintenance, and hydraulic and pneumatic systems.
This item is sold individually under part number SH70920. 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 568-920 BUNA 70 SQUARE CUT RINGS
Actual_CS 0.118 inch (3 mm)
Actual_ID 1.475 inch (37.47 mm)
Actual_OD 1.711 inch (43.46 mm)
ProductCode Description O-Rings - Square/Quad - Commodity