Thank you for selecting Aerospace Aviation 360 for 556173-1 by Te Connectivity Amp under Ac Power Plugs And Receptacles. We are proud to be an ASAP Semiconductor owned and operated website, a leading distributor of aviation and aerospace part numbers like 556173-1. To help us better understand your parts requirements, please fill out an RFQ form for part number 556173-1 with your details, and our customer executive will respond to your RFQ in 15 minutes or less.