>> Search results for: 5749287 NSN Search Results National Stock Number (NSN) Description 4140-01-589-0136, 4140015890136 GUARD,FAN IMPELLER 4140-01-589-0139 , 4140015890139 GUARD,FAN IMPELLER 4140-01-589-0141, 4140015890141 GUARD,FAN IMPELLER 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