APG stocks the H1.8X1.8, a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 1.8 mm (0.071 in), a cross section of 1.8 mm (0.071 in), and an outside diameter of 5.4 mm (0.21 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. The compound resists petroleum-based oils, many alcohols, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.
Maintenance and OEM teams specify it across general industrial maintenance, automotive, and hydraulic and pneumatic systems.
This item is sold individually under part number H1.8X1.8. Unit weight is approximately 0.034 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. 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.
description 1.8MM CS X 1.8MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 5.4 mm (0.21 inch)
Actual_CS 1.8 mm (0.071 inch)
Actual_ID 1.8 mm (0.071 inch)
ProductCode Description O-Rings - Metric - Commodity