Ordered as SH70173, this is an AS568-173 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring supplied with an inside diameter of 8.487 in (215.57 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.693 in (220.8 mm). The quad-ring seats in a standard o-ring gland while offering improved dynamic performance.
As a material, Buna-N (Nitrile) is valued for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Expect good resistance to petroleum-based oils, greases and lubricants, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.
Typical settings include hydraulic and pneumatic systems, construction equipment, and automotive.
Stocked as SH70173 and sold individually. Nominal inside diameter is listed as 8 1/2 inch. 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 568-173 BUNA 70 SQUARE CUT RINGS
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 8.487 inch (215.57 mm)
Actual_OD 8.693 inch (220.8 mm)
ProductCode Description O-Rings - Square/Quad - Commodity