Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 840-0016-03087 found under Oscillator Noncrystal Controlled by Monitor Products Co Inc. The National Stock Number assigned to this part is 5955004091334, and the Federal Supply Class is 5955 Oscillators And Piezoelectric Crystals. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 840-0016-03087.