>> Search results for: AR6K21 NSN Search Results National Stock Number (NSN) Description 3455-00-404-5838, 3455004045838 CUTTER BIT,TOOL HOLDER 3455-01-453-4954 , 3455014534954 CUTTER BIT,TOOL HOLDER 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