AN Female to Reusable Hose End sūsa AN to RU hose ends are a durable and economical solution that have been designed to offer optimal flow characteristics to a variety of oiling system applications. These billet aluminum fittings screw down securely to a standard AN Male fitting and may be oriented in any direction before full tightening. Once tightened, they do not swivel. These fittings are designed for use with sūsa LWN and SSN hose. Alternatively, they may be used with an equivalent braided hose of corresponding size. Anodized aluminum