>> Search results for: 2C971 NSN Search Results National Stock Number (NSN) Description 4140-01-357-7694, 4140013577694 HOUSING,CENTRIFUGAL FAN 4820-01-100-9097 , 4820011009097 VALVE,CHECK 4820-00-191-7855, 4820001917855 VALVE,CHECK 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