Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A223S1YZG found under Switch Toggle by H R Simon And Company Inc. The National Stock Number assigned to this part is 5930012149200, 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 A223S1YZG.