Part Number ET50X503 having (CAGE Code 30983) and FSC 5905 Resistors in stock with ready to ship. Get an instant quote for ET50X503 Resistor Variable Nonwire Wound by Mepcopal Co A Joint Venture. 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.