Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C180DFH00-139.0833MHZ found under Crystal Unit Quartz by Wenzel Intl Inc. The National Stock Number assigned to this part is 5955011154271, 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 C180DFH00-139.0833MHZ.