Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RSW422 SR B STD found under Switch Toggle by Illinois Tool Works Inc. The National Stock Number assigned to this part is 5930011237899, 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 RSW422 SR B STD.