-459 BLACK BUNA 70D O-RING

Part number H70MD459 is an AS568-459 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 14.975 in (380.37 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 15.525 in (394.34 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

The compound resists greases and lubricants, water, and many alcohols. Buna-N (Nitrile) delivers low compression set under sustained load and an economical choice for high-volume maintenance programs. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or ozone and direct sunlight.

This item is metal detectable for HACCP and foreign-body control programs. Maintenance and OEM teams specify it across construction equipment, hydraulic and pneumatic systems, and general industrial maintenance.

This item is sold individually under part number H70MD459. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.