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This metric O-ring is made of Buna-nitrile (also called Buna-N), 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, resistance to abrasion, tear, and compression set resistance. It is acceptable for temperature applications between -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C). It 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 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 cylinders of various sorts. 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 a number of sizes, and can be ordered based on required inside diameter (ID), outside diameter (OD), and cross-sectional (CS) diameter.
LEGIN27
Reviewed in the United States on September 24, 2024
The media could not be loaded.
Darryl
Reviewed in the United States on August 14, 2024
Bought to replace o rings in a 1" PVC universal joint that couldn't even be found at the Plumbing Supply store. Got way more of these than I'll ever need, but it was less than buying a new joint just for the O ring.
R Nel
Reviewed in the United States on June 5, 2023
I used this to replace the shell plate spring in my LNL hornady press so as to prevent it from spilling powder during the resizing stage, seems to work Ok
Lloyd
Reviewed in the United States on July 29, 2022
Durable
Jay
Reviewed in the United States on June 8, 2022
Works way better than hornadys spring. It is smother in operation and it feels tighter. The only down side is when you try to remove the case it is very tight. Plus u get 10 of them.
michel B.
Reviewed in Canada on January 27, 2021
right size, and proper rubber, used for high pressure water pump.
A leonard
Reviewed in Canada on February 15, 2020
Didn't seal, not the o rings fault but it was the right size
Ezdidit
Reviewed in the United States on October 12, 2020
Works great. Good price. No more leaking oil from my plate compactor!
DK-O'C
Reviewed in the United States on September 27, 2019
I wanted to make my favorite Nalgene-brand flip lids work with a new Hydroflask widetop bottle ... and even though the two are *almost* compatible, the lid would leak around the threads even if screwed as tightly as possible.I didn't like the other flip-top options available for the Hydroflask, and I can't believe that people actually use the jar-lid type cap that comes with most Hydroflasks -- they weigh a ton, take 2 hands to remove, and aren't tethered to the bottle, which means you have to find somewhere to put them down if you want to drink from the bottle one-handed.The M3x52.5 ring fits perfectly into the Nalgene cap, and forms a fluid-tight seal with the Hydroflask bottle *unless* the lid is screwed on so tightly that it deforms the o-ring. I screw it on so it is snug and no leaks, which is perfect.Weird application, but exactly what I was looking for.
Sean D
Reviewed in the United States on May 3, 2017
Very good rings
Dale Arsenault
Reviewed in Canada on December 19, 2017
Worked like a charm!
Customer
Reviewed in Canada on November 20, 2017
bon seal
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