-003 BLACK BUNA 70D O-RING

Ordered as H70MD003, this is an AS568-003 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 0.056 in (1.42 mm), a cross section of 0.06 in (1.52 mm), and an outside diameter of 0.176 in (4.47 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) delivers strong abrasion and tear resistance, low compression set under sustained load. Expect good resistance to petroleum-based oils, many alcohols, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or ozone and direct sunlight.

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

Reference part number H70MD003 when ordering; the item is sold individually. Nominal inside diameter is listed as 1/16 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.