Product Details | FLOW CONTROL THERMOSTAT

6685-00-819-1125 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: 172843, 6685-00-819-1125, 00-819-1125, 6685008191125, 008191125

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

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1962 00-819-1125

Cross Reference | NSN 6685-00-819-1125

Part Number Cage Code Manufacturer
172843 70210 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
172843 72599 ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO

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Technical Data | NSN 6685-00-819-1125

Characteristic Specifications
THERMOSTAT TYPE SOLID EXPANSION
USAGE DESIGN PERMITS OR STOPS PASSAGE OF OIL IN A VALVE ACCORDING TO SPECIFIED TEMPERATURES
MOUNTING METHOD FLANGE
OPENING TEMP RATING 138.0 DEG FAHRENHEIT NOMINAL
OPERATING TEMP RATING 70.0 DEG FAHRENHEIT NOMINAL
SPRING OPERATED PRESSURE RELIEF PROVIDED
OPENING PRESSURE SETTING 45.0 POUNDS PER SQUARE INCH
CLOSING PRESSURE SETTING 45.0 POUNDS PER SQUARE INCH MINIMUM AND 55.0 POUNDS PER SQUARE INCH MAXIMUM
VALVE TRAVEL DISTANCE 0.250 INCHES NOMINAL
FLOW CONTROL DEVICE POPPET
DISTANCE ACROSS FLATS 2.125 INCHES NOMINAL
OVERALL HEIGHT 3.563 INCHES NOMINAL
INSIDE MOUNTING SURFACE TO VALVE SEAT DISTANCE 2.938 INCHES

Restrictions/Controls & Freight Information | NSN 6685-00-819-1125

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable