H5.7X259.3 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 259.3 mm (10.209 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 270.7 mm (10.66 in). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. Additional detail on this item: Metric O-RING, JIS G260.
As a material, Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, low compression set under sustained load. It resists many alcohols, hydraulic fluids, and petroleum-based oils. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).
It sees regular use in construction equipment, agricultural equipment, and automotive.
H5.7X259.3 ships individually. Unit weight is approximately 26.089 g. Check the compound against your process media, pressure and temperature before committing to a design.
description 5.7MM CS X 259.3MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING, JIS G260
Actual_OD 270.7 mm (10.66 inch)
Actual_CS 5.7 mm (0.224 inch)
Actual_ID 259.3 mm (10.209 inch)
ProductCode Description O-Rings - Metric - Commodity