Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CNB100A found under Crystal Holder by Sensor And Antenna Systems. The National Stock Number assigned to this part is 5955005104877, 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 CNB100A.