H70120 is an AS568-120 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 0.987 in (25.07 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.193 in (30.3 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) is known for low compression set under sustained load, strong abrasion and tear resistance. Expect good resistance to petroleum-based oils, 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 ketones.
It sees regular use in general industrial maintenance, fluid power, and hydraulic and pneumatic systems.
Order part number H70120, sold individually. Unit weight is approximately 0.578 g. Review your operating media and conditions against this specification before installation.
Description -120 BLACK BUNA 70D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 0.987 inch (25.07 mm)
Actual Outside Diameter 1.193 inch (30.3 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity