-325 BLACK BUNA 70D O-RING

The H70MD325 is an AS568-325 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 1.475 in (37.47 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.895 in (48.13 mm). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Buna-N (Nitrile) offers strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. This material stands up to water, hydraulic fluids, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where strong acids or automotive brake fluid are present.

This o-ring is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include fluid power, construction equipment, and agricultural equipment.

Reference part number H70MD325 when ordering; the item is sold individually. Review your operating media and conditions against this specification before installation. 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.