Part number H3X75 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 75 mm (2.953 in), a cross section of 3 mm (0.118 in), and an outside diameter of 81 mm (3.19 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Buna-N (Nitrile) is specified for low compression set under sustained load and an economical choice for high-volume maintenance programs. The material holds up against petroleum-based oils, many alcohols, and water. 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 strong acids.
It sees regular use in hydraulic and pneumatic systems, automotive, and fluid power.
H3X75 ships individually. Unit weight is approximately 0.0048 g. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description 3MM CS X 75MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 81 mm (3.19 inch)
Actual_CS 3 mm (0.118 inch)
Actual_ID 75 mm (2.953 inch)
ProductCode Description O-Rings - Metric - Commodity