Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4G12474-105A found under Tube Assembly Metal by Nassau Tool Works Inc. The National Stock Number assigned to this part is 4710012574990, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4G12474-105A.