>> Search results for: D403M NSN Search Results National Stock Number (NSN) Description 5821-00-488-5213, 5821004885213 RECEIVER-TRANSMIT 5821-99-646-7611 , 5821996467611 TRANSMITTER-RECEIVE 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