Ordered as H3.5X185, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 185 mm (7.283 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 192 mm (7.56 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, low compression set under sustained load. This material stands up to greases and lubricants, petroleum-based oils, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or strong acids.
Typical settings include agricultural equipment, hydraulic and pneumatic systems, and automotive.
Stocked as H3.5X185 and sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description 3.5MM CS X 185MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 192 mm (7.56 inch)
Actual_CS 3.5 mm (0.138 inch)
Actual_ID 185 mm (7.283 inch)
ProductCode Description O-Rings - Metric - Commodity