The H70236 is an AS568-236 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 3.234 in (82.14 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.512 in (89.2 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) is specified here for low compression set under sustained load, reliable performance in both static and dynamic service. Expect good resistance to petroleum-based oils, water, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or polar solvents.
You will find this material specified across hydraulic and pneumatic systems, general industrial maintenance, and construction equipment.
Order part number H70236, sold individually. Unit weight is approximately 3.2169 g. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Description -236 BLACK BUNA 70D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 3.234 inch (82.14 mm)
Actual Outside Diameter 3.512 inch (89.2 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity