Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LT3554S2 found under Switch Push by Ge Aviation Systems Llc. The National Stock Number assigned to this part is 5930000195301, 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 LT3554S2.