Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 545 3954 002 found under Reactor by Rockwell Collins Inc. The National Stock Number assigned to this part is 5950009442579, and the Federal Supply Class is 5950 Coils And Transformers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 545 3954 002.