Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H940043-002B found under Transformer Pulse by Raytheon Company. The National Stock Number assigned to this part is 5950012314231, 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 H940043-002B.