Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SG-531P 10.0000MC found under Oscillator Crystal Controlled by Epson America Inc. The National Stock Number assigned to this part is 5955015326654, 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 SG-531P 10.0000MC.