>> Search results for: 6HCFB NSN Search Results National Stock Number (NSN) Description 6680-00-450-5860, 6680004505860 TUBE,METERING 6680-00-372-4674 , 6680003724674 TUBE,METERING 6680-00-450-5860, 6680004505860 TUBE,METERING 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