>> Search results for: BS3218 NSN Search Results National Stock Number (NSN) Description 6640-99-220-1841, 6640992201841 TEST TUBE 6640-99-220-1454 , 6640992201454 TEST TUBE 6640-99-220-1458, 6640992201458 TEST TUBE 6640-99-220-1459 , 6640992201459 TEST TUBE 6640-99-220-1453, 6640992201453 TEST TUBE 6640-99-220-1460 , 6640992201460 TEST TUBE 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