Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DZ 559 found under Adapter Switch Actuator by Adams Rite Mfg Co. The National Stock Number assigned to this part is 5930013860544, 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 DZ 559.