Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H20003 27 found under Coil Three Phase by Dings Co. The National Stock Number assigned to this part is 5950012547004, 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 H20003 27.