Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3195537-2-1B1 found under Microcircuit Digita by L3 Communications Corp. The National Stock Number assigned to this part is 5962005281700, 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 3195537-2-1B1.