APG stocks the H90M2X20, a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 20 mm (0.787 in), a cross section of 2 mm (0.079 in), and an outside diameter of 24 mm (0.94 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Expect good resistance to hydraulic fluids, petroleum-based oils, and water. Buna-N (Nitrile) is known for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving ozone and direct sunlight or ketones call for a different compound.
Typical settings include hydraulic and pneumatic systems, automotive, and construction equipment.
Reference part number H90M2X20 when ordering; the item is sold individually. Unit weight is approximately 0.29 g. 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.
description 2MM CS X 20MM ID BLACK BUNA 90D
uf_description2 METRIC O-RING
Actual_OD 24 mm (0.94 inch)
Actual_CS 2 mm (0.079 inch)
Actual_ID 20 mm (0.787 inch)
ProductCode Description O-Rings - Metric - Commodity