Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 556016-074 found under Connector Plug Electrical by Hewlett Packard Co. The National Stock Number assigned to this part is 5935005392650, 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 556016-074.