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Nitrile (NBR) 70 ID x CS mm Metric sizes ORing CS =1 mm O Ring Seals Buna N 70 Rubber gasket|rubber gasket|o-ring sealrubber sealing gasket - AliExpress
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EAI AS568 O'Ring Seal #219 (Pack of 10) ID: 1 5/16" CS: 1/8" Buna-N 70A Durometer 1 5/16"x1 9/16"x1/8" Nitrile Rubber Oring: Amazon.com: Industrial & Scientific
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EAI AS568 O'Ring Seal #005 (Pack of 100) ID: 3/32" CS: 1/16" Buna-N 70A Durometer 3/32"x7/32"x1/16" Nitrile Rubber Oring: Amazon.com: Industrial & Scientific
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