>> Search results for: DDC575TY3SZ1 NSN Search Results National Stock Number (NSN) Description 6640-00-899-6881, 6640008996881 CONDENSER,LABORATORY 6640-00-899-6882 , 6640008996882 Cancelled -> Replaced by 6640000638384 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