-168 BLACK BUNA 50D O-RING

Ordered as H50168, this is an AS568-168 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 7.237 in (183.82 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 7.443 in (189.05 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. The material holds up against many alcohols, petroleum-based oils, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where automotive brake fluid or ozone and direct sunlight are present.

Maintenance and OEM teams specify it across automotive, agricultural equipment, and general industrial maintenance.

Order part number H50168, sold individually. Nominal inside diameter is listed as 7 1/4 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.