Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 83503538-1 found under Transformer Pulse by Drs Training And Control Systems Llc. The National Stock Number assigned to this part is 5950012345015, 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 83503538-1.