This Hansen coupling half is designed for quick disconnect and fits perfectly with the P/N B64A. The brand Hansen is known for its quality products and this coupling half is no exception. It is ideal for use in various industries including business and industrial, hydraulics, pneumatics, pumps, and plumbing. The fitting and adapter category of this item makes it a versatile product that can be used for different purposes. Whether you are looking to replace an old coupling half or need a new one for your project, this Hansen coupling half is a reliable choice.