Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R0021392-0301 found under Switch Rotary by Denel Vehicle Systems. The National Stock Number assigned to this part is 5930015497649, 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 R0021392-0301.