Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5950-99-9713859 found under Transformer by Nato Stock Number Assigned By An. The National Stock Number assigned to this part is 5950003334555, 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 5950-99-9713859.