>> Search results for: DDW131CLASSB NSN Search Results National Stock Number (NSN) Description 6640-00-290-6806, 6640002906806 WATCH GLASS,LABORATORY 6640-00-852-4560 , 6640008524560 WATCH GLASS,LABORATORY 6640-00-290-6811, 6640002906811 Cancelled -> Replaced by 6640005669745 6640-00-290-6806 , 6640002906806 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