Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S39 45-2 03 1 P Q found under Switch Rotary by Cole Instrument Corp. The National Stock Number assigned to this part is 5930016581096, 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 S39 45-2 03 1 P Q.