>> Search results for: UDL503 NSN Search Results National Stock Number (NSN) Description 5996-01-148-1252, 5996011481252 AMPLIFIER,RADIO FREQUENCY 5996-01-408-8051 , 5996014088051 AMPLIFIER,RADIO FREQUENCY 4310-21-867-3054, 4310218673054 COMPRESSOR UNIT,REC 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information