Ordered as H2.4X17.3, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 17.3 mm (0.681 in), a cross section of 2.4 mm (0.094 in), and an outside diameter of 22.1 mm (0.87 in). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Expect good resistance to greases and lubricants, propane and butane, and petroleum-based oils. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
Maintenance and OEM teams specify it across hydraulic and pneumatic systems, construction equipment, and general industrial maintenance.
Order part number H2.4X17.3, sold individually. Check the compound against your process media, pressure and temperature before committing to a design. 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 2.4MM CS X 17.3MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 22.1 mm (0.87 inch)
Actual_CS 2.4 mm (0.094 inch)
Actual_ID 17.3 mm (0.681 inch)
ProductCode Description O-Rings - Metric - Commodity