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Your cart is empty.This O-ring is made of black Buna-nitrile, is round in cross-section, has a durometer of 70A, and is designed for use in a wide variety of sealing applications. Buna-nitrile can have high tensile strength, and abrasion, tear, and compression set resistance. It can be used in temperatures between -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C), and is compatible for use with petroleum, HFA, HFB and HFC fluids, vegetable oil, alcohol, acids and aliphatic hydrocarbons. Buna-nitrile is vulnerable to acetone, ethers, esters, ozone, sunlight and weathering and should therefore not be used in ozone-generating electric motors, welding equipment, or in applications with exposure to UV light. This Buna O-ring has a shore durometer of 70A. Shore durometer is the hardness of a material, and its resistance to permanent indentation. A higher durometer value indicates greater resistance to indentation on a scale of 0 to 100, with 100 indicating no indentation. O-rings commonly provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly seen in engines, faucets, flanges, valves, and various cylinders. They are circular in shape, with a round cross section, and a hole in the center, similar to a doughnut. O-rings are available in various sizes, and can be ordered based on required nominal inside diameter (ID), outer diameter (OD), and cross-sectional (CS) diameter. These Buna-nitrile O-rings meet standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings.
Emmett T.
Reviewed in the United States on February 27, 2025
Works great
Daisy
Reviewed in the United States on August 31, 2024
Great
Pat S.
Reviewed in Canada on August 7, 2023
good
Customer
Reviewed in Canada on August 20, 2023
Needed rubber seals from an out of business hand pump sprayer I gotThese rings fit perfect
designmore2
Reviewed in the United States on December 23, 2023
The best quality and the best price
D.G.T
Reviewed in Canada on February 11, 2022
Thanks
richard calzini
Reviewed in the United States on October 6, 2022
good o-ring
j-p vaillancourt
Reviewed in Canada on July 31, 2020
what i was looking for
Jack Manifold
Reviewed in Canada on October 7, 2020
used in copper sulfate solution as a ring to seal product
Emmett Brown
Reviewed in the United States on January 27, 2017
Did the job.
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