>> Search results for: 3974823 NSN Search Results National Stock Number (NSN) Description 6685-01-557-5590, 6685015575590 THERMOSTAT,FLOW CONTROL 6685-01-559-1638 , 6685015591638 Cancelled -> Replaced by 6685016690912 6685-01-571-1456, 6685015711456 THERMOSTAT,FLOW CONTROL 6685-01-627-0185 , 6685016270185 THERMOSTAT,FLOW CONTROL 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