Part Number WAC 15 4MM 4MM having (CAGE Code 13201) and FSC 5990 Synchros and Resolvers in stock with ready to ship. Get an instant quote for WAC 15 4MM 4MM Coupler Encoder by Helical Line Products Co. 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.