Product Details | TEMPERATURE REGULATING VALVE

4820-01-259-2720 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: 3258003, 40057-01/50169-02, 40057015016902, 4820-01-259-2720, 01-259-2720, 4820012592720, 012592720

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 15 JUL 1987 01-259-2720

Drawings & Photos | NSN 4820-01-259-2720


Demand History | NSN 4820-01-259-2720

Part Number Request Date QTY Origin
4820-01-259-2720 2011-06-181 2 NECO

Cross Reference | NSN 4820-01-259-2720

Part Number Cage Code Manufacturer
3258003 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
40057-01/50169-02 55378 TRAC REGULATORS INC

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Technical Data | NSN 4820-01-259-2720

Characteristic Specifications
BODY MATERIAL BRONZE
FLOW CONTROL DEVICE DIAPHRAGM
END CONNECTION QUANTITY 2
FIRST END CONNECTION TYPE PLAIN FACE FLANGE
FIRST END STYLE DESIGNATOR G1 PLAIN
FIRST END FLANGE SHAPE STYLE 3 ROUND
FIRST END BOLT HOLE QUANTITY 8
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
BODY STYLE A1 STRAIGHT THRU
FACE TO FACE DISTANCE 8.375 INCHES NOMINAL
TWO-WAY VALVE ACTION DIRECT ACTING
MOUNTING FACILITY BRACKET
THERMOSTATIC ELEMENT INTEGRAL W/VALVE
CAPILLARY TUBE LENGTH 54.000 INCHES NOMINAL
BULB LENGTH 1.625 INCHES NOMINAL
BULB DIAMETER 2.000 INCHES NOMINAL
TEMP ADJUSTABILITY ADJUSTABLE
TEMP RATING 72.0 DEG FAHRENHEIT NOMINAL

Restrictions/Controls & Freight Information | NSN 4820-01-259-2720

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeYInformation is in the Hazardous Materials Information System (HMIS)
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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4820-01-259-2720

Category Code Description
Cognizance Codes7HDepot level reparable shipboard and base equipment, assemblies, components and repair parts related to Naval Sea Systems Command equipment
Naval Inventory Control Point, Mechanicsburg
Issue Repair, or RequisitionBLSubmit/refer requisitions to NAVICP MECH. Centralized control for issue of repair parts for specific programs/equipments.
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationLLead Service - 22 (Repairable)
ReparabilityHDepot Level Reparable
Acquisition Advice CodesCSERVICE/AGENCY-MANAGED (Service/Agency use only.) # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by individual Services supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative