>> Search results for: 3S1422 NSN Search Results National Stock Number (NSN) Description 4140-00-409-6541, 4140004096541 IMPELLER,FAN,CENTRIFUGAL 2990-00-550-6803 , 2990005506803 Cancelled -> Replaced by 2990001610393 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