Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M1245-1M found under Oscillator Crystal by Cts Valpey Corporation. The National Stock Number assigned to this part is 5955011583583, 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 M1245-1M.