Yetaida 200pcs Rubber O Ring Set, 15 Sizes 6-30mm Silicone Washer Gasket Sealing O-Ring Kit, for Plumbing, Automotive and Faucet Repair, Air or Gas Connections, Resist Oil and Heat O-Rings with Box:
O-Ring Applications - O-Ring Resources - Rubber Fab
N70 - Neoprene O-Rings
ERIKS - Technical Manual - O-Ring Gland Design Information