Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QT6HC9M-28.000MHZ found under Oscillator Subassem by Q Tech Corp. The National Stock Number assigned to this part is 5963014627572, and the Federal Supply Class is 5963 Electronic Modules. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like QT6HC9M-28.000MHZ.