This straight fitting with a 6AN port and outlet is a high-quality product from Mallory, with a manufacturer part number of 30606. It is suitable for use in various car and truck parts and accessories, particularly in the air and fuel delivery category. The size of the fitting is 9/16 inches and it has a thread of 18 inches, making it a perfect match for many different parts. The brand of this product is Mallory, which is known for its reliable and durable products. This straight fitting is no exception, and it is sure to provide a smooth and efficient connection for any air or fuel delivery system. Whether you are a professional mechanic or a DIY enthusiast, this product is a great choice for your needs.