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453 Buna-N O-Ring, 70A Durometer, Round, Black, 12" ID, 12-1/2" OD, 1/4" Width (Pack of 2): O Ring Seals: Amazon.com: Industrial & Scientific
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60pcs 12x1.5 12*1.5 13x1.5 13*1.5 14x1.5 14*1.5 15x1.5 15*1.5 OD*Thickness Green Fluoro FKM Fluorine Rubber O Ring Seal Gasket
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Parker - Industrial Pipe Hex Plug: 1-5/16-12 Male Thread, Male Straight Thread O-Ring - 66435280 - MSC Industrial Supply
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