McMaster 9194N137 Chemical-Resistant Viton Fluoroelastomer O-Ring, High-Pressure, 1/8 Width, Dash No. 210, ID 3/4" × OD 1", Pack of 5 M21-750-595-WT Shaft Seal Material - Pumps

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McMaster 9194N137 Chemical-Resistant Viton Fluoroelastomer O-Ring, High-Pressure, 1/8 Width, Dash No. 210, ID 3/4" × OD 1", Pack of 5 M21-750-595-WT Shaft Seal Material - PumpsMade of our hardest Viton fluoroelastomer, these O rings can handle sudden pressure changes that would cause softer O rings to crack or deform. They're often used in compressed air systems or oilfield equipment, such as blowout preventers and wellhead assemblies. These O rings are tested to NORSOK M 710 standards for rapid gas decompression and extrusion resistance. Fractional Width 1 8 ID 3 4 OD 1 Width (Decimal) 0. 139" Dash Number 210 ID (Decimal)