Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20H4-107-43N found under Switch Flow by Ellis And Watts International Llc. The National Stock Number assigned to this part is 5930007552191, 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 20H4-107-43N.