Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MD80C17-1 found under Tube Adapter by Herley Industries Inc. The National Stock Number assigned to this part is 5960001060416, 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 MD80C17-1.