SH70474 is an AS568-474 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring built to an inside diameter of 24.94 in (633.48 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 25.49 in (647.45 mm). In service, this quad-ring provides a dual sealing band on each contact face for improved reliability.
The material holds up against petroleum-based oils, water, and hydraulic fluids. Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or strong acids.
You will find this material specified across general industrial maintenance, automotive, and fluid power.
SH70474 ships individually. Nominal inside diameter is listed as 25 inch. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description 568-474 BUNA 70 SQUARE CUT RINGS
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 24.94 inch (633.48 mm)
Actual_OD 25.49 inch (647.45 mm)
ProductCode Description O-Rings - Square/Quad - Commodity