Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1DS164-1-1 found under Spring Disk by Hydra Electric Company. The National Stock Number assigned to this part is 5930009491284, 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 1DS164-1-1.