uxcell Nitrile Rubber O-Rings 15mm OD 8mm ID 3.5mm Width, Metric Sealing Gasket for Automotive Machine Plumbing, Pack of 10: Amazon.com: Industrial & Scientific
Amazon.com: O Ring Kit, Inch & Metric Sizes, Nitrile-70A, Rubber Seals O Rings & 4 Pieces Orings Remover Tools in a Storage Case, for Faucet, Plumbing, Automotive (Red & Yellow Case) 786
Viton vs Nitrile O Rings – Northern Engineering Sheffield
USA Sealing - O-Ring: 0.614" ID x 0.754" OD, 0.07" Thick, Dash 016, Nitrile Butadiene Rubber - 28841682 - MSC Industrial Supply