Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 98W66 found under Switch Push by L Tec Welding And Cutting Systems. The National Stock Number assigned to this part is 5930002393661, 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 98W66.