This #4 AN(JIC) x 3/8"MNPT Black Aluminum Adapter is a must-have for any racing or mechanics enthusiast. It features a 3/8" NPT Male and a 37˚ Male AN seat (#4JIC) for a secure fit. The brilliant black anodized finish not only looks sleek and stylish but also provides added durability and protection against corrosion. This adapter is perfect for use in oil, water, and fuel systems, making it a versatile addition to any setup. Don't settle for anything less than the best – get your hands on this high-quality adapter today