Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 48 00300 110 found under Crystal Unit Quartz by Key Tronic Corp. The National Stock Number assigned to this part is 5955012580691, 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 48 00300 110.