Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AFG 5101 found under Oscillator Noncryst by Tektronix Inc. The National Stock Number assigned to this part is 5955013107437, 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 AFG 5101.