HARFINGTON 20pcs Nitrile Rubber O-Rings 21mm OD 19mm ID 1mm Width Metric Buna-N NBR Sealing Gasket Plumbing Sealing Repair O Rings for Car Auto Vehicle Repair Faucet Air Gas

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About This Size - OD: 21mm / 0.83"; ID: 19mm / 0.75"; Width: 1mm / 0.04". Package Contains: 20pcs Nitrile Rubber O-Rings. Sufficient quantity, enough to meet your long-term use and various tasks. Material - The O-ring is made of nitrile rubber (NBR, Buna-N), which is waterproof, oil-proof, and wear-resistant, making it durable and long-lasting. Its operating temperature range is -20°C to 120°C, with excellent high and low temperature resistance. Features - The rubber sealing ring has a smooth surface, is soft and flexible, is easy to use, has good sealing and elasticity, can effectively prevent contact between metal and metal, thereby protecting wires, cables passing through firewalls, metal panels, etc. Application - Seal repair O-rings are widely used as seals and gaskets in hydraulic machinery, pipelines and other connectors. They are suitable for DIY seal repair of faucets, high-pressure cleaners, motorcycles, ships, automobile engines, water pumps, solenoid valves, meters, sensors, mechanical bearings, pressure pipes and other accessories. Note - Please confirm the required size and material before purchasing and place it in the correct position. Manual measurement may cause some error, please refer to the actual product Show more