Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MS3456LS20-4P found under Connector Plug Elec by Society Of Automotive Engineers Inc. The National Stock Number assigned to this part is 5935016491236, 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 MS3456LS20-4P.