Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74-009 found under Oscillator Noncryst by St Olektron Corp. The National Stock Number assigned to this part is 5963010277346, 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 74-009.