>> Search results for: DDW131CLBSZ1 NSN Search Results National Stock Number (NSN) Description 6640-00-290-6804, 6640002906804 WATCH GLASS,LABORATORY 6640-00-290-6815 , 6640002906815 Cancelled -> Replaced by 6640005154356 6640-00-515-4356, 6640005154356 WATCH GLASS,LABORATORY 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