Part Number S321 having (CAGE Code 18163) and FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings in stock with ready to ship. Get an instant quote for S321 Adapter Straight Pipe To Tube by Eaton Corp Controls Div. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.