This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 6.97 mm (0.274 in), a cross section of 3.53 mm (0.139 in), and an outside diameter of 14.03 mm (0.55 in), catalogued under part number H3.53X6.97. It creates a positive seal at flange, piston and rod interfaces without added hardware.
Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, low compression set under sustained load. This material stands up to greases and lubricants, water, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or automotive brake fluid.
Common environments for this compound include hydraulic and pneumatic systems, fluid power, and agricultural equipment.
Reference part number H3.53X6.97 when ordering; the item is sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 3.53MM CS X 6.97MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 14.03 mm (0.55 inch)
Actual_CS 3.53 mm (0.139 inch)
Actual_ID 6.97 mm (0.274 inch)
ProductCode Description O-Rings - Metric - Commodity