Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N0 80-1IN found under Valve Ball by United Brass Works Inc. The National Stock Number assigned to this part is 4820012804826, 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 N0 80-1IN.