Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C99 1 2EXP36 found under Bulb Electron Tube by Vishay Intertechnology Inc. The National Stock Number assigned to this part is 5960010043021, 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 C99 1 2EXP36.