Product Details | SAFETY RELIEF VALVE

4820-00-245-0862 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: CNCRN08CCC, CNSRN08SCC, FF275112INIPS, FF2751-1-2INIPS, MILV20065, TY2C0MPD1-2 400-145T0206F, TY2C0MPD12400145T0206F, 20342B01S0145, 20342X51FTSS, 4820-00-245-0862, 00-245-0862, 4820002450862, 002450862

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 13 JUN 1973 00-245-0862

Drawings & Photos | NSN 4820-00-245-0862


Demand History | NSN 4820-00-245-0862

Part Number Request Date QTY Origin
4820-00-245-0862 2011-10-293 1 DIBBS

Cross Reference | NSN 4820-00-245-0862

Part Number Cage Code Manufacturer
20342B01S0145 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20342X51FTSS 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20342X51FTSS 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
CNCRN08CCC 5P967 DANTE VALVE COMPANY INC
CNCRN08CCC 65079 DANCO VALVE COMPANY
CNSRN08SCC 65079 DANCO VALVE COMPANY
FF2751-1-2INIPS 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
MILV20065 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
TY2C0MPD1-2 400-145T0206F 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-00-245-0862

Characteristic Specifications
MATERIAL STEEL BODY STEEL OR STEEL COMP 304 FLOW CONTROL DEVICE STEEL OR STEEL COMP 304 SEAT
MATERIAL DOCUMENT AND CLASSIFICATION ASTMA105,GRADE2 ASSN STD SINGLE MATERIAL RESPONSE BODY ASTMA276,TYPE303 ASSN STD 1ST MATERIAL RESPONSE OR ASTMA276,TYPE304 ASSN STD 2ND MATERIAL RESPONSE OR ASTMA276,TYPE316-CANCELED ASSN STD 3RD MATERIAL RESPONSE FLOW CONTROL DEVICE ASTMA276,TYPE303 ASSN STD 1ST MATERIAL RESPONSE OR ASTMA276,TYPE304 ASSN STD 2ND MATERIAL RESPONSE OR ASTMA276,TYPE316-CANCELED ASSN STD 3RD MATERIAL RESPONSE SEAT FED STD 66,AISI 410/SAE 51410 FED STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 3.250 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 3.500 INCHES
VALVE SIZE 0.500 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 775.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE 1493.0 POUNDS PER HOUR
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE 1ST END FLANGE 2ND END
FLANGE SHAPE ROUND WITH HOLES 1ST END ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER 3.750 INCHES 1ST END 3.500 INCHES 2ND END
NOMINAL THICKNESS 0.575 INCHES 1ST END 0.425 INCHES 2ND END
BOLT HOLE QUANTITY 4 1ST END 4 2ND END
BOLT HOLE NOMINAL DIAMETER 0.630 INCHES 1ST END 0.630 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER 2.625 INCHES 1ST END 2.375 INCHES 2ND END
FLANGE FACE DESIGN RAISED STRAIGHT 1ST END RAISED STRAIGHT 2ND END
RAISED FACE NOMINAL HEIGHT 0.245 INCHES 1ST END 0.050 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER 1.375 INCHES 1ST END 1.360 INCHES 2ND END
RENEWABLE SEAT RING TYPE THREADED
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD UNION
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 145.0 TO 206.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE

Restrictions/Controls & Freight Information | NSN 4820-00-245-0862

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 AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 4820-00-245-0862

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
ReparabilityDField Level Reparables
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