Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-629-6894 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.

Part Alternates: MLCP03AXAXB1V0NS, 11.1839/MLCP03AXAXB1V0NS , 111839MLCP03AXAXB1V0NS, 4820-01-629-6894, 01-629-6894, 4820016296894, 016296894

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 2014191 01-629-6894

Demand History | NSN 4820-01-629-6894

Part Number Request Date QTY Origin
11.1839/MLCP03AXAXB1V0NS 2025-11-334 1 DIBBS
MLCP03AXAXB1V0NS 2025-11-334 1 DIBBS
11.1839/MLCP03AXAXB1V0NS 2024-07-212 1 DIBBS
MLCP03AXAXB1V0NS 2024-07-212 1 DIBBS
11.1839/MLCP03AXAXB1V0NS 2024-06-162 1 DIBBS
MLCP03AXAXB1V0NS 2024-06-162 1 DIBBS
11.1839/MLCP03AXAXB1V0NS 2024-05-151 1 DIBBS
MLCP03AXAXB1V0NS 2024-05-151 1 DIBBS
11.1839/MLCP03AXAXB1V0NS 2022-01-02 1 DIBBS
MLCP03AXAXB1V0NS 2022-01-02 1 DIBBS

Cross Reference | NSN 4820-01-629-6894

Part Number Cage Code Manufacturer
11.1839/MLCP03AXAXB1V0NS 04613 PENTAIR VALVES & CONTROLS US LP DIV PENTAIR FLOW CONTROL
11.1839/MLCP03AXAXB1V0NS 1X5W8 PENTAIR VALVES & CONTROLS US LP DBA MARINE PRODUCT TEAM
MLCP03AXAXB1V0NS 1X5W8 PENTAIR VALVES & CONTROLS US LP DBA MARINE PRODUCT TEAM

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Technical Data | NSN 4820-01-629-6894

Characteristic Specifications
BODY MATERIAL STEEL
TEMP RATING 400.0 DEG FAHRENHEIT
OPENING PRESSURE SETTING 5.00 POUNDS PER SQUARE INCH
SPECIAL FEATURES SIZE- 3X4 FULL BORE
III PART NAME ASSIGNED BY CONTROLLING AGENCY MODULATING LARGE CAPACITY PILOT VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-629-6894

Category Code Description
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.
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.
Category Code Description
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
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 4820-01-629-6894

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
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