This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 45.7 mm (1.799 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 52.7 mm (2.07 in), catalogued under part number H3.5X45.7. It creates a positive seal at flange, piston and rod interfaces without added hardware. The catalog record notes: Metric O-RING, JIS P46.
Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, most widely specified general-purpose sealing elastomer. Expect good resistance to greases and lubricants, petroleum-based oils, and many alcohols. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Exposure to ozone and direct sunlight or strong acids will shorten service life.
It sees regular use in hydraulic and pneumatic systems, automotive, and fluid power.
Reference part number H3.5X45.7 when ordering; the item is sold individually. Unit weight is approximately 1.8215 g. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description 3.5MM CS X 45.7MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING, JIS P46
Actual_OD 52.7 mm (2.07 inch)
Actual_CS 3.5 mm (0.138 inch)
Actual_ID 45.7 mm (1.799 inch)
ProductCode Description O-Rings - Metric - Commodity