Product Details | TEMPERATURE REGULATING VALVE

4820-01-518-7401 A self-acting valve designed for controlling, by means of a thermostatic element, the flow of liquids or gases therethrough. The thermostatic element is located in liquid or gas whose temperature is controlled by the heat of the liquid or gas flowing through the valve. See also VALVE, RELIEF, PRESSURE AND TEMPERATURE.

Part Alternates: 406888, 40688-8, 40688801, 40688-801, 40747, 4820-01-518-7401, 01-518-7401, 4820015187401, 015187401

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 MAR 2004 01-518-7401

Drawings & Photos | NSN 4820-01-518-7401


Cross Reference | NSN 4820-01-518-7401

Part Number Cage Code Manufacturer
40688-8 55378 TRAC REGULATORS INC
40688-801 55378 TRAC REGULATORS INC
40747 55378 TRAC REGULATORS INC

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Technical Data | NSN 4820-01-518-7401

Characteristic Specifications
BODY MATERIAL BRONZE, ASTM B61
SEAT MATERIAL STEEL, CORROSION RESISTING
STEM MATERIAL STEEL, CORROSION RESISTING
PACKING MATERIAL PLASTIC, POLYTETRAFLUOROETHYLENE
VALVE SIZE 1.250 INCHES
FLOW CONTROL DEVICE PISTON, TOP GUIDED
END CONNECTION SPEC/STD MIL-F-24227
END CONNECTION QUANTITY 3
FIRST END CONNECTION TYPE UNTHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR C9 GROOVED INSIDE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 1.250 INCHES
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
THIRD END RELATIONSHIP WITH PRECEDING ENDS IDENTICAL WITH FIRST END
BODY STYLE A2 TEE
THERMOSTATIC ELEMENT LIQUID IMMERSION TYPE
CAPILLARY TUBE LENGTH 12.000 INCHES NOMINAL
BULB DIAMETER 1.125 INCHES NOMINAL
TEMP ADJUSTABILITY ADJUSTABLE
TEMP RATING 60.0 DEG FAHRENHEIT MINIMUM AND 90.0 DEG FAHRENHEIT MAXIMUM
MAXIMUM INLET PRESSURE RATING 100.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS UNION NUT AND TAILPIECE AND ADJUSTMENT STEM
SPECIAL FEATURES VALVE CAPACITY: 18 GPM; VALVE FAILS WITH 95% FLOW TO COOLER; THIS VALVE HAS THERMOSTATIC ASSEMBLY P/N 50002-05, NSN 4820-01-232-2900, FIND 3 (GASKET), FIND 4 (BULB BUSHING), FIND 36 (3 TAILPIECES WITHOUT BRAZING RINGS), FIND 37 (3 UNION NUTS).
SPECIFICATION/STANDARD DATA 81349-MIL-V-19772 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA 1, STYLE A TYPE
III END ITEM IDENTIFICATION SEAWOLF CLASS SSN
III PART NAME ASSIGNED BY CONTROLLING AGENCY 1-1/4" TRAC STYLE A 3-WAY THERMOSTATIC TEMPERATURE REGULATING VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-518-7401

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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

Management | NSN 4820-01-518-7401

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each