Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G63P9827 found under Retainer Electron Tube by Perspectron Inc. The National Stock Number assigned to this part is 5960005198675, and the Federal Supply Class is 5960 Electron Tubes And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like G63P9827.