Ordered as H5.7X194.3, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 194.3 mm (7.65 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 205.7 mm (8.1 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope. The catalog record notes: Metric O-RING, JIS G195.
As a material, Buna-N (Nitrile) is valued for low compression set under sustained load, strong abrasion and tear resistance. The material holds up against greases and lubricants, many alcohols, and water. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in ketones or ozone and direct sunlight.
It sees regular use in automotive, fluid power, and agricultural equipment.
H5.7X194.3 ships individually. Unit weight is approximately 19.55 g. Check the compound against your process media, pressure and temperature before committing to a design.
description 5.7MM CS X 194.3MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING, JIS G195
Actual_OD 205.7 mm (8.1 inch)
Actual_CS 5.7 mm (0.224 inch)
Actual_ID 194.3 mm (7.65 inch)
ProductCode Description O-Rings - Metric - Commodity