Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HA-N505 10240KHZ found under Crystal Unit Quartz by International Crystal Manufacturing. The National Stock Number assigned to this part is 5955011700059, 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 HA-N505 10240KHZ.