Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K1116A-5.12MHZ found under Oscillator Crystal by Freescale Semiconductor. The National Stock Number assigned to this part is 5955012693335, 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 K1116A-5.12MHZ.