The H5X255 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 255 mm (10.039 in), a cross section of 5 mm (0.197 in), and an outside diameter of 265 mm (10.43 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) offers reliable performance in both static and dynamic service, strong abrasion and tear resistance. It resists propane and butane, petroleum-based oils, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).
You will find this material specified across automotive, general industrial maintenance, and hydraulic and pneumatic systems.
Reference part number H5X255 when ordering; the item is sold individually. Unit weight is approximately 19.421 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 5MM CS X 255MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 265 mm (10.43 inch)
Actual_CS 5 mm (0.197 inch)
Actual_ID 255 mm (10.039 inch)
ProductCode Description O-Rings - Metric - Commodity