Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 23-66-1285 found under Switch Centrifugal by Milwaukee Electric Tool Corporation. The National Stock Number assigned to this part is 5930012107121, 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 23-66-1285.