Product Details | SAFETY RELIEF VALVE

4820-00-287-2639 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: SF-201-2#11, SF201211, SF2012N011, SF201-2N011, FS0376BPC48, FS0-37-6BPC48, FS0376PC48, FS0-37-6PC48, FSC37FPC66, FSC37PC66, FSL375PC48, FSL37-5PC48, FSN451PC95, FSN45-1PC95, FSN452PC95, FSN45-2PC95, FSN453PC95, FSN45-3PC95, FSN454PC95, FSN45-4PC95, FSN455PC95, FSN45-5PC95, FSN456PC95, FSN45-6PC95, FSN45CPC95, FSN45PC95, GD9-2460 1-2X50, GD9246012X50, 61FSN45C, 82215S61229PC95, 82215S61-229PC95, 82215S61232PC95, 82215S61-232PC95, 82215S61280PC95, 82215S61-280PC95, 82215S61312PC95, 82215S61-312PC95, 82215S61338PC95, 82215S61-338PC95, 82215S61413PC95, 82215S61-413PC95, 82215S61436PC95, 82215S61-436PC95, 82215S61488PC95, 82215S61-488PC95, 82226S6100598405PC48, 82226S6100-598405PC48, 82226S6100598477PC48, 82226S6100-598477PC48, 82226S6100598479PC48, 82226S6100-598479PC48, 82226S61205PC66, 82226S61-205PC66, 82226S61211PC66, 82226S61-211PC66, 2872639, 4820-00-287-2639, 00-287-2639, 4820002872639, 002872639

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-287-2639

Drawings & Photos | NSN 4820-00-287-2639


Cross Reference | NSN 4820-00-287-2639

Part Number Cage Code Manufacturer
2872639 14959 CRANE CO DIV VALVE DIV
61FSN45C 88080 COOPER CAMERON CORP COOPER BESSEMER
82215S61-229PC95 80064 NAVAL SHIP SYSTEMS COMMAND
82215S61-232PC95 80064 NAVAL SHIP SYSTEMS COMMAND
82215S61-280PC95 80064 NAVAL SHIP SYSTEMS COMMAND
82215S61-312PC95 80064 NAVAL SHIP SYSTEMS COMMAND
82215S61-338PC95 80064 NAVAL SHIP SYSTEMS COMMAND
82215S61-413PC95 80064 NAVAL SHIP SYSTEMS COMMAND
82215S61-436PC95 80064 NAVAL SHIP SYSTEMS COMMAND
82215S61-488PC95 80064 NAVAL SHIP SYSTEMS COMMAND
82226S61-205PC66 80064 NAVAL SHIP SYSTEMS COMMAND
82226S61-211PC66 80064 NAVAL SHIP SYSTEMS COMMAND
82226S6100-598405PC48 80064 NAVAL SHIP SYSTEMS COMMAND
82226S6100-598477PC48 80064 NAVAL SHIP SYSTEMS COMMAND
82226S6100-598479PC48 80064 NAVAL SHIP SYSTEMS COMMAND
FS0-37-6BPC48 88080 COOPER CAMERON CORP COOPER BESSEMER
FS0-37-6PC48 88080 COOPER CAMERON CORP COOPER BESSEMER
FSC37FPC66 88080 COOPER CAMERON CORP COOPER BESSEMER
FSC37PC66 88080 COOPER CAMERON CORP COOPER BESSEMER
FSL37-5PC48 88080 COOPER CAMERON CORP COOPER BESSEMER
FSN45-1PC95 88080 COOPER CAMERON CORP COOPER BESSEMER
FSN45-2PC95 88080 COOPER CAMERON CORP COOPER BESSEMER
FSN45-3PC95 88080 COOPER CAMERON CORP COOPER BESSEMER
FSN45-4PC95 88080 COOPER CAMERON CORP COOPER BESSEMER
FSN45-5PC95 88080 COOPER CAMERON CORP COOPER BESSEMER
FSN45-6PC95 88080 COOPER CAMERON CORP COOPER BESSEMER
FSN45CPC95 88080 COOPER CAMERON CORP COOPER BESSEMER
FSN45PC95 88080 COOPER CAMERON CORP COOPER BESSEMER
GD9-2460 1-2X50 88080 COOPER CAMERON CORP COOPER BESSEMER
SF-201-2#11 14541 CAMERON INTERNATIONAL CORPORATION DBA CAMERON ENERGY SERVICES DIV
SF201-2N011 14541 CAMERON INTERNATIONAL CORPORATION DBA CAMERON ENERGY SERVICES DIV

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Technical Data | NSN 4820-00-287-2639

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE COPPER ALLOY SEAT STEEL STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED STEAM 1ST RESPONSE WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 250.0 POUNDS PER SQUARE INCH 1ST RESPONSE 300.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP 400.0 DEG FAHRENHEIT 1ST RESPONSE 100.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE 1ST END THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE G9 PLAIN 1ST END G46B PLAIN 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 1ST END 0.500 INCHES 2ND END
THREAD SERIES DESIGNATOR NPT 1ST END NPT 2ND END
NOMINAL THREAD SIZE 0.500 INCHES 1ST END 0.500 INCHES 2ND END
THREAD QUANTITY PER INCH 14 1ST END 14 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 31.0 TO 60.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE

Restrictions/Controls & Freight Information | NSN 4820-00-287-2639

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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-00-287-2639

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
Acquisition Advice CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each