>> Search results for: UUP236TYPE2CLASS6 NSN Search Results National Stock Number (NSN) Description 6640-00-850-4642, 6640008504642 PAPER,FILTER 6640-00-850-4643 , 6640008504643 PAPER,FILTER 6640-00-850-4644, 6640008504644 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