Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 417 03 1LEG20 found under Packing Preformed by Tyco Valves And Controls Lp. The National Stock Number assigned to this part is 5330011266580, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 417 03 1LEG20.