>> Search results for: DEFSTAN81120 NSN Search Results National Stock Number (NSN) Description 5640-99-215-4411, 5640992154411 MEDIUM DENSITY FIBR 8135-99-301-2978 , 8135993012978 FIBREBOARD,MEDIUM D 8135-99-831-8000, 8135998318000 FIBREBOARD,MEDIUM D 5640-99-439-0844 , 5640994390844 MEDIUM DENSITY FIBR 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