Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5678014-SDN425 PIECE 110 found under Nut Self Locking Hexagon by Siemens Industry Inc. The National Stock Number assigned to this part is 5310014373865, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5678014-SDN425 PIECE 110.