Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 512 1556 found under Connector Plug Elec by Rs Components. The National Stock Number assigned to this part is 5935015941248, 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 512 1556.