Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MC300 found under Oscillator Crystal by Dla Land And Maritime. The National Stock Number assigned to this part is 5955012967512, 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 MC300.