Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N3-19011-11T016-24-57-58 found under Parts Kit Valve by Diamond Power International Inc. The National Stock Number assigned to this part is 4820005068601, 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 N3-19011-11T016-24-57-58.