Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GB3-PKG-TEF found under Parts Kit Globe Valve by Hy Lok Usa Inc. The National Stock Number assigned to this part is 4820015844498, 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 GB3-PKG-TEF.