Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 45 003 0023 found under Switch Rotary by Illinois Tool Works Inc. The National Stock Number assigned to this part is 5930013403536, 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 45 003 0023.