Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C74451-Z1073-U73 found under Lever Manual Contro by Siemens Ag. The National Stock Number assigned to this part is 3040011370957, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C74451-Z1073-U73.