Part number H2.5X42 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 42 mm (1.654 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 47 mm (1.85 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, low compression set under sustained load. This material stands up to many alcohols, water, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).
Common environments for this compound include agricultural equipment, hydraulic and pneumatic systems, and construction equipment.
Reference part number H2.5X42 when ordering; the item is sold individually. Unit weight is approximately 0.838 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description 2.5MM CS X 42MM ID BLACK BUNA 70D
Actual Outside Diameter 47 mm (1.85 inch)
Actual Cross Section 2.5 mm (0.098 inch)
Actual Inside Diameter 42 mm (1.654 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity