This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 92.5 mm (3.642 in), a cross section of 3.55 mm (0.14 in), and an outside diameter of 99.6 mm (3.92 in), catalogued under part number H3.55X92.5. It creates a positive seal at flange, piston and rod interfaces without added hardware.
Expect good resistance to water, petroleum-based oils, and many alcohols. Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving polar solvents or ozone and direct sunlight call for a different compound.
Typical settings include fluid power, automotive, and construction equipment.
Stocked as H3.55X92.5 and sold individually. Unit weight is approximately 3.7414 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description 3.55MM CS X 92.5MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 99.6 mm (3.92 inch)
Actual_CS 3.55 mm (0.14 inch)
Actual_ID 92.5 mm (3.642 inch)
ProductCode Description O-Rings - Metric - Commodity