This quad-ring is supplied in AS568-274 black Buna-N (Nitrile) 70 Shore A square profile supplied with an inside diameter of 9.984 in (253.59 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 10.262 in (260.65 mm), catalogued under part number SH70274. It seats in a standard o-ring gland while offering improved dynamic performance.
Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, low compression set under sustained load. It resists greases and lubricants, propane and butane, and many alcohols. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where automotive brake fluid or ketones are present.
You will find this material specified across construction equipment, automotive, and agricultural equipment.
SH70274 ships individually. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description 568-274 BUNA 70 SQUARE CUT RINGS
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 9.984 inch (253.59 mm)
Actual_OD 10.262 inch (260.65 mm)
ProductCode Description O-Rings - Square/Quad - Commodity