>> Search results for: S638A NSN Search Results National Stock Number (NSN) Description 5985-01-101-4419, 5985011014419 HORN,WAVEGUIDE 5940-00-504-5671 , 5940005045671 TERMINAL BOARD 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