Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NSU2-S50 K50 found under Guard Switch by Miteq Inc. The National Stock Number assigned to this part is 5930016715404, 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 NSU2-S50 K50.