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Small Parts KIT-QN70-30 Buna-N Quad-Ring Kit, Black, Buna, 70A Durometer, 30-Sizes (Pack of 382 Pieces)
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Small Parts KIT-QN70-30 Buna-N Quad-Ring Features
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Made of Buna-nitrile (also called Buna-N) for use with a variety of fluids from petroleum to aliphatic hydrocarbons and has a durometer (hardness) of 70A
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Kit includes 382 pieces covering 30 dash sizes
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Plastic case for portability and organized storage
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For use across a wide temperature range from -40 degrees F (-40 degrees C) to 212 degrees F (100 degrees C)
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Meets standards defined by Aerospace Standard AS568A
About Small Parts KIT-QN70-30 Buna-N Quad-Ring
This Quad-Ring set is made of Black Buna-N, has a durometer of 70A, and includes 382 pieces covering 30 dash sizes. The rings have a Round cross-section and can be used across a wide temperature range from -40 degrees F (-40 degrees C) to 212 degrees F (100 degrees C). The rings come in a plastic storage case designed for organization and portability. Designed for use in a variety of sealing applications, this Buna-N Quad-Ring set meets standards defined by Aerospace Standard AS568A for quality assurance. The set includes the following Quad-Rings: 20 pieces each for dash sizes 006, 007, 008, 009, 010, 011, and 012; 13 pieces each for dash sizes 110, 111, 112, 113, 114, 115, and 116; 10 pieces each for dash sizes 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, and 222; 7 pieces each for dash sizes 325, 326, and 327. Buna-nitrile can have high tensile strength, as well as abrasion, tear, and compression set resistance. It is compatible for use with petroleum, hexafluoroacetone (HFA), hexafluoro-2-butyne (HFB) and hydrofluorocarbon (HFC) fluids, vegetable oil, alcohol, acids, and aliphatic hydrocarbons. Buna-nitrile is vulnerable to acetone, ethers, esters, ozone, sunlight and weathering, and should not be used in ozone-generating electric motors, welding equipment, or in applications with exposure to UV light. The durometer hardness of this Buna-N Quad-Ring is 70A. Durometers measure 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, a value of 0 indicates that a sample was completely penetrated, while a value of 100 shows no indentation in the sample. The letter following the number identifies the shore scale, which is either shore A or D. Shore A is used for rubber, while shore D is used for harder plastics. Quad rings, also called X-rings, have a double sealing function as compared to an O-ring and can be used in a wide variety of static and dynamic sealing applications. The four-lobed design provides twice the sealing surface in comparison to a standard o-ring. The double-seal action requires less squeeze to maintain an effective seal. This reduction in squeeze means less friction and improved seal life. X-Rings are measured by their inside diameter (ID), outisde diameter (OD), and cross-sectional (CS) diameter, just like o-rings. What's in the box? 20 pieces each for dash sizes 006, 007, 008, 009, 010, 011, and 012 13 pieces each for dash sizes 110, 111, 112, 113, 114, 115, and 116 10 pieces each for dash sizes 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, and 222 7 pieces each for dash sizes 325, 326, and 327 plastic storage case with label to identify sizes
