>> Search results for: 50M257 NSN Search Results National Stock Number (NSN) Description 4820-01-325-9651, 4820013259651 REGULATOR,THERMOSTATIC TEMPERATU 4820-01-641-1200 , 4820016411200 REGULATOR,THERMOSTATIC TEMPERATU 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