Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VK200-20 4B found under Coil Radio Frequency by Fair Rite Products Corp. The National Stock Number assigned to this part is 5950011866428, 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 VK200-20 4B.