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uxcell Nitrile Rubber O-Rings 28mm OD 21mm ID 3.5mm Width, Metric Nitrile Rubber Sealing Gasket for Automotive Machine Plumbing, Pack of 20

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$7.89

$ 3 .99 $3.99

In Stock

About this item

  • [Size] - 28mm Outside Diameter, 21mm Inner Diameter, 3.5mm Cross-Section Diameter
  • [Hardness] - 70A Durometer (Shore Hardness) for resistance to penetration
  • [Nitrile Rubber] - Standard Nitrile Butadiene Rubber with a wide temperature range from -4℉ (-20°C) to 212℉ (100°C). The o rings has smooth surface, great oil and heat resistance, wear-resistant and good sealing performance
  • [Application] - These small rubber o rings are widely used for automotive, pressure washer, bathroom floor drains, filter, pump, water hose, plumbing pipe, engines, valves, air conditioning maintenance and much more
  • [NOTE] - Please confirm the required size and material before purchase, and put it in the right place



Product Description

11

NBR O-Ring

  • Hardness: 70A
  • Temperature: -4℉ (-20°C) to 212℉ (100 °C)
1

Circular Cross-Section

  • They are circular, round in cross-section.
  • Designed for use in a wide variety of sealing applications.
  • 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.

Nitrile Butadiene Rubber O-rings

  • Good mechanical properties and high wear resistance NBR. Good resistance to many petroleum oils, greases, hydraulic fluids, alcohol, mineral oil, and grease.
  • 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.

Click Below Blue Links to Find More:

1

mario
Reviewed in Canada on March 17, 2024
Fait le travail.
david
Reviewed in the United States on January 11, 2024
No different than others I wrote what guidelines does it not meet?
PeterNYC
Reviewed in the United States on February 21, 2023
Overnight delivery - Quality product - 18mm inside diameter was a perfectly snug fit for bracket (see photo).
Max and Tricia
Reviewed in the United States on December 3, 2023
They are orings. Well sized. Hopefully will last, cannot say much yet about the material they are made of...but seems good
homeM
Reviewed in Canada on November 29, 2021
The ID more like 18mm, and the cross section is closer to 3mm. I am waiting for my 2nd order to see if it gets better.
AMGbaby
Reviewed in the United States on March 18, 2019
Came as expected and in perfect shape and size and number. Good stuff.