Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5019049-004 found under Switch Push by Thales Training And Simulation Ltd. The National Stock Number assigned to this part is 5930012846856, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5019049-004.