Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 84 32985 004 found under Oscillator Crystal Controlled by Raytheon E Systems Inc. The National Stock Number assigned to this part is 5955013129137, 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 84 32985 004.