The 4MOFS-4MBPP with Washer or Straight Fitting from Fittings Unlimited Inc is engineered for optimal fluid flow in hydraulic systems. This fitting features a 4mm male O-ring face seal and a 4mm male BSPP connection, providing a secure and leak-free interface. Made from premium materials, it ensures longevity and resistance to wear. The included washer enhances sealing capabilities, making it suitable for high-pressure applications. This fitting complies with industry standards, ensuring reliability and performance in various applications, from automotive to industrial machinery.