-048 BLACK BUNA 70D O-RING

Ordered as H70MD048, this is an AS568-048 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 4.739 in (120.37 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 4.879 in (123.93 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Buna-N (Nitrile) is specified for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. This material stands up to propane and butane, many alcohols, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in ozone and direct sunlight or strong acids.

This o-ring is metal detectable for HACCP and foreign-body control programs. Typical settings include agricultural equipment, automotive, and general industrial maintenance.

Order part number H70MD048, sold individually. Nominal inside diameter is listed as 4 3/4 inch. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.