Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A30 2 1C4N found under Switch Rotary by Janco Corporation. The National Stock Number assigned to this part is 5930014928962, 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 A30 2 1C4N.