Product Details | SAFETY RELIEF VALVE

4820-00-639-9086 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: CA68S460516PC109T0114, CA68S4605-16PC109T0114, D15673109T0114, D15-673-109T0114, D15673APC109T0114, D15-673APC109T0114, D15673CPC109T0114, D15-673CPC109T0114, 4820-00-639-9086, 00-639-9086, 4820006399086, 006399086

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-639-9086

Drawings & Photos | NSN 4820-00-639-9086


Cross Reference | NSN 4820-00-639-9086

Part Number Cage Code Manufacturer
CA68S4605-16PC109T0114 80064 NAVAL SHIP SYSTEMS COMMAND
D15-673-109T0114 79500 WESTINGHOUSE ELECTRIC CORP
D15-673-109T0114 80231 WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV
D15-673-109T0114 90099 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS
D15-673APC109T0114 79500 WESTINGHOUSE ELECTRIC CORP
D15-673APC109T0114 80231 WESTINGHOUSE ELECTRIC CORP STURTEVANT DIV
D15-673APC109T0114 90099 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS
D15-673CPC109T0114 79500 WESTINGHOUSE ELECTRIC CORP
D15-673CPC109T0114 90099 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN MARINE SYSTEMS

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Technical Data | NSN 4820-00-639-9086

Characteristic Specifications
MATERIAL COPPER ALLOY BODY STEEL FLOW CONTROL DEVICE COPPER ALLOY SEAT STEEL STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE STEM
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE 1ST END UNTHREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE G9 PLAIN 1ST END G60B PLAIN 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 0.375 INCHES 2ND END
THREAD SERIES DESIGNATOR NPT 1ST END
NOMINAL THREAD SIZE 0.500 INCHES 1ST END
THREAD QUANTITY PER INCH 14 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 15.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE

Restrictions/Controls & Freight Information | NSN 4820-00-639-9086

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
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 4820-00-639-9086

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 CodesLLOCAL PURCHASE # (NON-STOCKED ITEMS) Defense Logistics Agency (DLA)/GSA/Service/Agency-managed items authorized for local purchase as normal means of support at base, post, camp or station level. Item not stocked in wholesale distribution system of IMM/Service/Agency ICP.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each