Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 755H40-5 SYMBOL X1 found under Transformer Power by Gruenberg Oven Company. The National Stock Number assigned to this part is 5950013535253, 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 755H40-5 SYMBOL X1.