This AN816-16-12 adapter is a must-have for anyone looking to connect pipes to tubes. Its zinc coating ensures durability and longevity, while its straight design allows for easy installation and use. With a maximum load of 1.3125-12 UNJ and a minimum size of 3/4-14, this adapter is compatible with a wide range of pipes and tubes. Its unique features, including a 1.3125-12 UNJ to 3/4-14 size ratio, make it an essential tool for aviation parts and accessories.