Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N51415PIECE5 3 2 1 2IN GLB CHK found under Stem Fluid Valve by Walworth Co. The National Stock Number assigned to this part is 4820012186775, 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 N51415PIECE5 3 2 1 2IN GLB CHK.