Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 133-0080-001 found under Switch Rotary by Singer Co The. The National Stock Number assigned to this part is 5930004663576, 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 133-0080-001.