APG stocks the HQ4107, an AS568-107 black Buna-N (Nitrile) 70 Shore A quad profile Quad-Ring supplied with an inside diameter of 0.206 in (5.23 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.412 in (10.46 mm). A quad-ring delivers lower friction and better sealing stability than a comparable round-section o-ring.
Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs, strong abrasion and tear resistance. It resists propane and butane, many alcohols, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
Maintenance and OEM teams specify it across general industrial maintenance, construction equipment, and agricultural equipment.
Reference part number HQ4107 when ordering; the item is sold individually. Nominal inside diameter is listed as 7/32 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
description **4107-366Y MINNESOTA RUBBER QUAD RING
Actual_ID 0.206 inch (5.23 mm)
Actual_OD 0.412 inch (10.46 mm)
Actual_CS 0.103 inch (2.62 mm)
ProductCode Description O-Rings - Square/Quad - Premium