Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5550280-1 found under Connector Plug Elec by Sonetics Corporation. The National Stock Number assigned to this part is 5935013816481, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5550280-1.