>> Search results for: PDA81 NSN Search Results National Stock Number (NSN) Description 6640-22-307-0916, 6640223070916 DENSITOMETER 6525-21-878-1266 , 6525218781266 DENSITOMETER 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