Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16-404 found under Switch Sensitive by Fl Aerospace Corp Janitrol Aero. The National Stock Number assigned to this part is 5930008249433, 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 16-404.