The McCormick 345166 is a genuine OEM part, cross-referencing to LOCTITE 574 Flange Sealant. This high-performance anaerobic sealant is specifically designed for sealing close-fitting rigid metal flanges, effectively preventing leakage of oil, water, and other fluids. It cures in the absence of air when confined between metal surfaces, providing a durable and reliable seal. Ideal for various applications in McCormick agricultural and construction equipment where robust flange sealing is critical. This product is supplied in a 0.05-liter (50ml) tube.