The Parker 12R6MK4S Triple-Lok 37-degree flare hydraulic tube fitting is a genuine Parker component designed for reliable, leak-free connections in hydraulic systems. This male connector features a 3/4 inch tube outside diameter (OD) connection and a 3/8 inch NPTF male pipe thread. Constructed from durable steel, it ensures robust performance and resistance to high pressures typical in agricultural and industrial machinery. The 37-degree flare design provides a secure seal, making it suitable for a wide range of fluid power applications.