This o-ring is supplied in black Buna-N (Nitrile) 90 Shore A built to an inside diameter of 21.6 mm (0.85 in), a cross section of 2.4 mm (0.094 in), and an outside diameter of 26.4 mm (1.04 in), catalogued under part number H90M2.4X21.6. It creates a positive seal at flange, piston and rod interfaces without added hardware.
Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. This material stands up to hydraulic fluids, propane and butane, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where ketones or automotive brake fluid are present.
It sees regular use in general industrial maintenance, hydraulic and pneumatic systems, and agricultural equipment.
Reference part number H90M2.4X21.6 when ordering; the item is sold individually. Unit weight is approximately 0.0005 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 2.4MM CS X 21.6MM ID BLACK BUNA 90D
uf_description2 METRIC O-RING
Actual_OD 26.4 mm (1.04 inch)
Actual_CS 2.4 mm (0.094 inch)
Actual_ID 21.6 mm (0.85 inch)
ProductCode Description O-Rings - Metric - Commodity