The 12MJ-18MM Washer & O-Ring Str. from Fittings Unlimited Inc is designed for reliable connections in various applications. This fitting features a 12mm male JIC thread and a compatible 18mm female connection, ensuring a secure fit. Constructed from high-quality materials, it includes a washer and O-ring for enhanced sealing and leak prevention. Ideal for hydraulic systems, this fitting meets industry standards for durability and performance. Dimensions are optimized for easy installation, making it a versatile choice for professionals.