Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SI7055-A20-IM found under Microcircuit Digital by Spectral Labs Incorporated. The National Stock Number assigned to this part is 5962016565370, and the Federal Supply Class is 5962 Microcircuits Electronic. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SI7055-A20-IM.