Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SYM 790.1 found under Switch Push by Pratt And Whitney Canada Inc Whi. The National Stock Number assigned to this part is 5930003090816, 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 SYM 790.1.