Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 351231 found under Coil Radio Frequenc by Sierra Technologies Inc. The National Stock Number assigned to this part is 5950011173257, 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 351231.