The H3X57 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 57 mm (2.244 in), a cross section of 3 mm (0.118 in), and an outside diameter of 63 mm (2.48 in). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. It resists many alcohols, hydraulic fluids, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with polar solvents or ozone and direct sunlight.
It sees regular use in agricultural equipment, construction equipment, and fluid power.
Stocked as H3X57 and sold individually. Unit weight is approximately 1.633 g. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 3MM CS X 57MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 63 mm (2.48 inch)
Actual_CS 3 mm (0.118 inch)
Actual_ID 57 mm (2.244 inch)
ProductCode Description O-Rings - Metric - Commodity