Best price -259 Buna O-Ring, 70A Durometer, Black, 6-1/4" ID, 6-1/2" OD, 1/8" Width (Pack of 100)
-259 Buna O-Ring, 70A Durometer, Black, 6-1/4" ID, 6-1/2" OD, 1/8" Width (Pack of 100) :: Description
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.
-259 Buna O-Ring, 70A Durometer, Black, 6-1/4" ID, 6-1/2" OD, 1/8" Width (Pack of 100):: Technical Details/Features
- Meets standards defined by Aerospace Standard AS568A
- Can be used across a wide temperature range from -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C)
- Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids and hydrocarbons
- Durometer (hardness) of 70A for resistance to penetration
- Round in cross-section to provide a seal between cylindrical overlapping surfaces
- Brand: Small Parts
- Model: 259
- Product Type: Misc.
Great Deals -259 Buna O-Ring, 70A Durometer, Black, 6-1/4" ID, 6-1/2" OD, 1/8" Width (Pack of 100) . You can Buy -259 Buna O-Ring, 70A Durometer, Black, 6-1/4" ID, 6-1/2" OD, 1/8" Width (Pack of 100) In Stock. Best Prices -259 Buna O-Ring, 70A Durometer, Black, 6-1/4" ID, 6-1/2" OD, 1/8" Width (Pack of 100) Buy Now Free Shipping !
Customer Product Reviews
Small Parts 259 Review by Xavier Mikes (Florida)
Given the product's very simple design and construction it is no surprise that it arrived in exactly the form that I was expecting. Delivery time was good, too.
Small Parts 259 Review by Marc L. Pirro
The o-rings are as described so what's not to like. The price is reasonable and they arrived within a week. I'll try this source again when looking for small parts.
Small Parts 259 Review by ThenewWave
I simply misunderstood what this product meant by 0-ring. However even given this slight mistake along with a little lubricant this doubles as a great 0-ring stabilizer.
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