APG stocks the SH70167, an AS568-167 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring supplied with an inside diameter of 6.987 in (177.47 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 7.193 in (182.7 mm). A quad-ring provides a dual sealing band on each contact face for improved reliability.
Buna-N (Nitrile) is valued for strong abrasion and tear resistance, low compression set under sustained load. This material stands up to greases and lubricants, many alcohols, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).
You will find this material specified across agricultural equipment, automotive, and fluid power.
SH70167 ships individually. Nominal inside diameter is listed as 7 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. 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 *568-167 BUNA 70 SQUARE CUT RINGS
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 6.987 inch (177.47 mm)
Actual_OD 7.193 inch (182.7 mm)
ProductCode Description O-Rings - Square/Quad - Commodity