Ordered as H5X67, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 67 mm (2.638 in), a cross section of 5 mm (0.197 in), and an outside diameter of 77 mm (3.03 in). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
This material stands up to greases and lubricants, many alcohols, and hydraulic fluids. Buna-N (Nitrile) is valued for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where automotive brake fluid or polar solvents are present.
Common environments for this compound include agricultural equipment, construction equipment, and hydraulic and pneumatic systems.
Reference part number H5X67 when ordering; the item is sold individually. Unit weight is approximately 5.399 g. Review your operating media and conditions against this specification before installation.
description 5MM CS X 67MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 77 mm (3.03 inch)
Actual_CS 5 mm (0.197 inch)
Actual_ID 67 mm (2.638 inch)
ProductCode Description O-Rings - Metric - Commodity