Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VF180-2-5-0688MHZ found under Oscillator Crystal by Cts Valpey Corporation. The National Stock Number assigned to this part is 5963013007245, 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 VF180-2-5-0688MHZ.