Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SPL 4DD 53TM found under Splitter Power by Trak Microwave Corporation. The National Stock Number assigned to this part is 5998016311253, and the Federal Supply Class is 5998 Electrical And Electronic Assemblies Boards Cards And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SPL 4DD 53TM.