Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 318 0227 12 found under Transformer Radio F by Vernitron Corp. The National Stock Number assigned to this part is 5950010076559, 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 318 0227 12.