This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 35.7 mm (1.406 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 42.7 mm (1.68 in), catalogued under part number H3.5X35.7. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Source specification: Metric O-RING, JIS P36.
It resists hydraulic fluids, water, and propane and butane. Buna-N (Nitrile) is valued for low compression set under sustained load, strong abrasion and tear resistance. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
You will find this material specified across construction equipment, hydraulic and pneumatic systems, and fluid power.
Reference part number H3.5X35.7 when ordering; the item is 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 35.7MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING, JIS P36
Actual_OD 42.7 mm (1.68 inch)
Actual_CS 3.5 mm (0.138 inch)
Actual_ID 35.7 mm (1.406 inch)
ProductCode Description O-Rings - Metric - Commodity