Engineered Source is a supplier and distributor of fittings like this AN815-4K for the aerospace and defense manufacturers - while these parts are often available off the shelf, we also work with factories that manufacture them to our order. These factories have been part of our vendor network for over ten years and provide the most reliable quality and service available. Please reach out to us for any of your special fitting needs, as well as the standard brass fittings for industrial applications.
