Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 51C30-01-2-3N found under Switch Rotary by Moldtronics Inc. The National Stock Number assigned to this part is 5930010319987, 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 51C30-01-2-3N.