This o-ring is supplied in black Buna-N (Nitrile) 90 Shore A built to an inside diameter of 19.8 mm (0.78 in), a cross section of 2.4 mm (0.094 in), and an outside diameter of 24.6 mm (0.97 in), catalogued under part number H90M2.4X19.8. It delivers dependable bidirectional sealing in a compact groove envelope. Source specification: Metric O-RING, JIS P20.
The compound resists hydraulic fluids, propane and butane, and many alcohols. Buna-N (Nitrile) delivers strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Exposure to ozone and direct sunlight or automotive brake fluid will shorten service life.
Common environments for this compound include construction equipment, agricultural equipment, and fluid power.
This item is sold individually under part number H90M2.4X19.8. Unit weight is approximately 0.4388 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Description 2.4MM CS X 19.8MM ID BLACK BUNA 90D
Actual Outside Diameter 24.6 mm (0.97 inch)
Actual Cross Section 2.4 mm (0.094 inch)
Actual Inside Diameter 19.8 mm (0.78 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity