This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 195 mm (7.677 in), a cross section of 4 mm (0.157 in), and an outside diameter of 203 mm (7.99 in), catalogued under part number H4X195. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. It resists greases and lubricants, petroleum-based oils, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or polar solvents.
It sees regular use in construction equipment, fluid power, and general industrial maintenance.
Order part number H4X195, sold individually. Unit weight is approximately 9.6002 g. 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 4MM CS X 195MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 203 mm (7.99 inch)
Actual_CS 4 mm (0.157 inch)
Actual_ID 195 mm (7.677 inch)
ProductCode Description O-Rings - Metric - Commodity