Ordered as H3X7.5, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 7.5 mm (0.295 in), a cross section of 3 mm (0.118 in), and an outside diameter of 13.5 mm (0.53 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
The material holds up against petroleum-based oils, water, and hydraulic fluids. Buna-N (Nitrile) is specified for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or ozone and direct sunlight.
It sees regular use in agricultural equipment, hydraulic and pneumatic systems, and fluid power.
Stocked as H3X7.5 and sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description 3MM CS X 7.5MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 13.5 mm (0.53 inch)
Actual_CS 3 mm (0.118 inch)
Actual_ID 7.5 mm (0.295 inch)
ProductCode Description O-Rings - Metric - Commodity