Viton / FKM vs Nitrile: Which material is right for your application?
Aeromotive 15622 O-Ring, Fuel Resistant Nitrile, Size -08 AN (Pak of 10)
Nitrile O-Rings Fuel Resistant NBR - China O Ring and Seal
Othmro 250pcs Nitrile Rubber O-Rings, 2mm Wire Dia 7mm OD Metric Sealing Nitrile NBR Rubber Washers for Oil or Air Sealing, Professional Plumbing, Car Repair, Air or Gas Connections Black: Amazon.com: Industrial
Buy KOOTANS 1200Pcs Nitrile Rubber O Ring Kit 24 Sizes O Rings Assortment Kit Set Sealing Washer NBR Metric o-Ring Assortment for Plumbing, Gas, Automotive and Faucet Repair, Resist Oil and Heat