Part Number R5504 having (CAGE Code F0271) and FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings in stock with ready to ship. Get an instant quote for R5504 Inverted Nut Tube Coupling by Senior Aerospace. 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.