Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 22217 found under Screw by L Tec Welding And Cutting Systems. The National Stock Number assigned to this part is 5305012440863, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 22217.