Part Number 417 0057 501 having (CAGE Code 20747) and FSC 5998 Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware in stock with ready to ship. Get an instant quote for 417 0057 501 Backplane Assembly by L 3 Communications Corporation. 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.