>> Search results for: 21C4019G001 NSN Search Results National Stock Number (NSN) Description 5220-01-304-2138, 5220013042138 GAGE,CHECK,TURBINE 5220-01-304-2138 , 5220013042138 GAGE,CHECK,TURBINE 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