Product Details | FLOW CONTROL THERMOSTAT

6685-00-580-0726 An automatic regulating device which controls the flow of fluids or gases by actuating a valve or shutter for heating or cooling purposes. May be adjustable, or set to operate at a definite pressure. Excludes CONTROL, HUMIDITY; CONTROL, TEMPERATURE INDICATING; and SWITCH, THERMOSTATIC.

Part Alternates: U518831, 6685-00-580-0726, 00-580-0726, 6685005800726, 005800726

Instruments and Laboratory Equipment | Pressure, Temperature, and Humidity Measuring and Controlling Instruments

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1963 00-580-0726

Cross Reference | NSN 6685-00-580-0726

Part Number Cage Code Manufacturer
U518831 78943 TRIUMPH THERMAL SYSTEMS, INC.

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Technical Data | NSN 6685-00-580-0726

Characteristic Specifications
THERMOSTAT TYPE SOLID EXPANSION
USAGE DESIGN TO COOL TURBO-JET ENGINE LUBE OIL
MOUNTING METHOD THREADED
OPENING TEMP RATING 210.0 DEG FAHRENHEIT NOMINAL
OPERATING TEMP RATING 230.0 DEG FAHRENHEIT NOMINAL
SPRING OPERATED PRESSURE RELIEF NOT PROVIDED
VALVE TRAVEL DISTANCE 0.090 INCHES NOMINAL
FLOW CONTROL DEVICE BY-PASS
LARGEST OUTSIDE DIAMETER 0.864 INCHES NOMINAL
OVERALL HEIGHT 3.562 INCHES NOMINAL
THREAD SIZE AND SERIES/TYPE DESIGNATOR 1/2-20 UNF
THREAD DIRECTION RIGHT-HAND
MANUFACTURERS CODE 78943
DESIGN CONTROL REFERENCE U518831

Restrictions/Controls & Freight Information | NSN 6685-00-580-0726

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 188340 VALVES THEMOSTATIC NOI/THEMOSTATS
Less than car load rating J 100.2
Less than truck load rating J 100.2
Water commodity Code 657 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable