The H1.5X21.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 21.5 mm (0.846 in), a cross section of 1.5 mm (0.059 in), and an outside diameter of 24.5 mm (0.96 in). This o-ring remains the most cost-effective sealing element available for pressurized assemblies. The catalog record notes: Metric O-RING, JIS S22.
As a material, Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. The material holds up against many alcohols, water, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in automotive brake fluid or ketones.
Common environments for this compound include agricultural equipment, fluid power, and general industrial maintenance.
Stocked as H1.5X21.5 and sold individually. Unit weight is approximately 0.1637 g. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description 1.5MM CS X 21.5MM ID BLACK BUNA 70D
Actual Outside Diameter 24.5 mm (0.96 inch)
Actual Cross Section 1.5 mm (0.059 inch)
Actual Inside Diameter 21.5 mm (0.846 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity