>> Search results for: WHATMAN42 NSN Search Results National Stock Number (NSN) Description 6640-00-064-0928, 6640000640928 PAPER,FILTER 6640-00-064-0929 , 6640000640929 PAPER,FILTER 6640-00-064-0931, 6640000640931 PAPER,FILTER 6640-00-290-2252 , 6640002902252 Cancelled -> Replaced by 6640000640930 6640-01-254-4177, 6640012544177 PAPER,FILTER 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