Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 998124 found under Valve Regulating Fl by L Tec Welding And Cutting Systems. The National Stock Number assigned to this part is 4820011137859, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 998124.