>> Search results for: 4E250SECONDARY NSN Search Results National Stock Number (NSN) Description 4540-01-413-2573, 4540014132573 Cancelled -> Replaced by 4520014311291 4520-01-431-1291 , 4520014311291 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE 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