Ordered as SH70312, this is an AS568-312 black Buna-N (Nitrile) 70 Shore A square profile Quad-Ring measuring an inside diameter of 0.6 in (15.24 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.02 in (25.91 mm). The quad-ring seats in a standard o-ring gland while offering improved dynamic performance.
Buna-N (Nitrile) is widely chosen for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Expect good resistance to propane and butane, water, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).
Maintenance and OEM teams specify it across agricultural equipment, construction equipment, and hydraulic and pneumatic systems.
Order part number SH70312, sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation.
description 568-312 BUNA 70 SQUARE CUT RINGS
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 0.6 inch (15.24 mm)
Actual_OD 1.02 inch (25.91 mm)
ProductCode Description O-Rings - Square/Quad - Commodity