Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FE30N0S5MC found under Oscillator Crystal Controlled by Frequency Electronics Inc. The National Stock Number assigned to this part is 5963000185987, 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 FE30N0S5MC.