>> Search results for: 3223551 NSN Search Results National Stock Number (NSN) Description 4140-00-974-0128, 4140009740128 GUARD,FAN IMPELLER 5999-01-079-4392 , 5999010794392 HEAT SINK,ELECTRICAL-ELECTRONIC 5999-01-079-4392, 5999010794392 HEAT SINK,ELECTRICA 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