Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2B0012 found under Oscillator Subassembly by Industrial Radio Corp. The National Stock Number assigned to this part is 5955006786597, 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 2B0012.