Ordered as H1.6X25.1, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 25.1 mm (0.988 in), a cross section of 1.6 mm (0.063 in), and an outside diameter of 28.3 mm (1.11 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, Buna-N (Nitrile) offers an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. The material holds up against propane and butane, water, and greases and lubricants. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or strong acids call for a different compound.
Typical settings include automotive, agricultural equipment, and fluid power.
Reference part number H1.6X25.1 when ordering; the item is sold individually. Unit weight is approximately 0.205 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 1.6MM CS X 25.1MM ID BLACK BUNA 70D
Actual Outside Diameter 28.3 mm (1.11 inch)
Actual Cross Section 1.6 mm (0.063 inch)
Actual Inside Diameter 25.1 mm (0.988 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity