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- Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids and hydrocarbons
- Can be used across a wide temperature range from -30 degrees F (-34 degrees C) to 250 degrees F (121 degrees C)
- Round in cross-section to provide a seal between cylindrical overlapping surfaces
- Durometer (hardness) of 70A for resistance to penetration
- Meets standards defined by Aerospace Standard AS568A
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008 Buna-N O-Ring, 70A Durometer, Black, 3/16" ID, 5/16" OD, 1/16" Width (Pack of 100)
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$4.69
($0.05 / O-Rings)
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Ships from and sold by Jet Gasket & Seal Co.
New (2) from $4.69 & FREE shipping.
Specifications for this item
| Part Number | ORB-008-C |
|---|---|
| Item Hardness | 70A |
| Measurement System | Inch |
| Cross Section Shape | Round |
| Lower Temperature Range | -30 degrees_fahrenheit |
| Upper Temperature Range | 250 degrees_fahrenheit |
| Specification Met | AS568A |
| Brand Name | Small Parts |
| Color | Black |
| Durometer Hardness | 70A |
| Inside Diameter | 0.176 inches |
| Inside Diameter Tolerance | 0.005 inches |
| Item Diameter | 0.316 inches |
| Item Weight | 0.32 ounces |
|---|---|
| Material | Nitrile Rubber |
| Model Number | AZ-N70008/100 |
| Nominal Inside Diameter | 0.176 inches |
| Nominal Outside Diameter | 5/16 inches |
| Nominal Width | 0.07 inches |
| Number of Items | 100 |
| Outside Diameter | 5/16 inches |
| Size | 8 |
| UNSPSC Code | 31410000 |
| Width | 0.07 inches |
| Width Tolerance | 0.003 inches |
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Ships from and sold by Jet Gasket & Seal Co.
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Product features |
Product 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.
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