APG stocks the HQ4213, an AS568-213 black Buna-N (Nitrile) 70 Shore A quad profile Quad-Ring built to an inside diameter of 0.921 in (23.39 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.199 in (30.45 mm). A quad-ring seats in a standard o-ring gland while offering improved dynamic performance.
Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs, strong abrasion and tear resistance. It resists greases and lubricants, many alcohols, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Exposure to ketones or polar solvents will shorten service life.
It sees regular use in general industrial maintenance, fluid power, and construction equipment.
Reference part number HQ4213 when ordering; the item is sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description *4213-366Y MINNESOTA RUBBER QUAD RING
Actual_ID 0.921 inch (23.39 mm)
Actual_OD 1.199 inch (30.45 mm)
Actual_CS 0.139 inch (3.53 mm)
ProductCode Description O-Rings - Square/Quad - Premium