Product Details | SAFETY RELIEF VALVE

4820-00-288-7841 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Part Alternates: 4824158796ALT11PC11300, 4824-158796ALT11PC1-1-300, 4824158796ALT11PC12300, 4824-158796ALT11PC1-2-300, 4824158796PC12300, 4824-158796PC1-2300, 4824934713ALT10PCASSEMBLYM, 4824-934713ALT10PCASSEMBLYM, 2143801799121REV4PCV11, 214-3801-799121REV4PCV11, 2823801801795REVCPCV9, 282-3801-801795REVCPCV9, 4820-00-288-7841, 00-288-7841, 4820002887841, 002887841

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-288-7841

Drawings & Photos | NSN 4820-00-288-7841


Cross Reference | NSN 4820-00-288-7841

Part Number Cage Code Manufacturer
214-3801-799121REV4PCV11 53711 NAVAL SEA SYSTEMS COMMAND
214-3801-799121REV4PCV11 80064 NAVAL SHIP SYSTEMS COMMAND
282-3801-801795REVCPCV9 53711 NAVAL SEA SYSTEMS COMMAND
282-3801-801795REVCPCV9 80064 NAVAL SHIP SYSTEMS COMMAND
4824-158796ALT11PC1-1-300 53711 NAVAL SEA SYSTEMS COMMAND
4824-158796ALT11PC1-2-300 80064 NAVAL SHIP SYSTEMS COMMAND
4824-158796PC1-2300 53711 NAVAL SEA SYSTEMS COMMAND
4824-158796PC1-2300 80064 NAVAL SHIP SYSTEMS COMMAND
4824-934713ALT10PCASSEMBLYM 53711 NAVAL SEA SYSTEMS COMMAND
4824-934713ALT10PCASSEMBLYM 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-00-288-7841

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE NICKEL ALLOY SEAT STEEL STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL PIPE 1ST END THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE G20A SOCKET ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 1ST END 0.500 INCHES 2ND END
THREAD SERIES DESIGNATOR NPT 2ND END
NOMINAL THREAD SIZE 0.500 INCHES 2ND END
THREAD QUANTITY PER INCH 14 2ND END
THREAD DIRECTION RIGHT-HAND 2ND END
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 300.0 POUNDS PER SQUARE INCH
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY PAC ADSV AND 1/2 IN. VALVE SIZE
MANUFACTURERS CODE 53711
DESIGN CONTROL REFERENCE 4824-158796ALT11PC1-1-300

Restrictions/Controls & Freight Information | NSN 4820-00-288-7841

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: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 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 XX
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 4820-00-288-7841

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
Purchasing QTY
UOM
1
EA : Each