SH70153 is an AS568-153 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring built to an inside diameter of 3.487 in (88.57 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.693 in (93.8 mm). In service, this quad-ring resists spiral failure in reciprocating service thanks to its multi-lobe geometry.
Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The compound resists water, many alcohols, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where strong acids or polar solvents are present.
It sees regular use in construction equipment, fluid power, and hydraulic and pneumatic systems.
This item is sold individually under part number SH70153. Unit weight is approximately 1.934 g and nominal inside diameter is listed as 3 1/2 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.
description 568-153 BUNA 70 SQUARE CUT RINGS
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 3.487 inch (88.57 mm)
Actual_OD 3.693 inch (93.8 mm)
ProductCode Description O-Rings - Square/Quad - Commodity