>> Search results for: 011438549 NSN Search Results National Stock Number (NSN) Description 6635-01-143-8549, 6635011438549 comparator,optical 6635-01-143-8549 , 6635011438549 comparator,optical projection 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