Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 577-1004-01 found under Microcircuit Linear by L 3 Communications Corporation. The National Stock Number assigned to this part is 5962001972361, 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 577-1004-01.