Product Details | SAFETY RELIEF VALVE

4820-00-950-5975 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: 83, 4820-00-950-5975, 00-950-5975, 4820009505975, 009505975

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1962 00-950-5975

Drawings & Photos | NSN 4820-00-950-5975


Cross Reference | NSN 4820-00-950-5975

Part Number Cage Code Manufacturer
83 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY

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Technical Data | NSN 4820-00-950-5975

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE COPPER ALLOY SEAT STEEL STEM
STYLE DESIGNATOR A7A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 4.500 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 2.875 INCHES
VALVE SIZE 2.000 INCHES
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC OR MANUAL
CONNECTION TYPE THREADED INTERNAL PIPE 1ST END FLANGE 2ND END
CONNECTION STYLE G9 PLAIN 1ST END
FLANGE SHAPE ROUND WITH HOLES 2ND END
NOMINAL OUTSIDE DIAMETER 6.000 INCHES 2ND END
NOMINAL THICKNESS 0.500 INCHES 2ND END
BOLT HOLE QUANTITY 4 2ND END
BOLT HOLE NOMINAL DIAMETER 0.750 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER 4.750 INCHES 2ND END
FLANGE FACE DESIGN PLAIN 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 3.000 INCHES 1ST END
THREAD SERIES DESIGNATOR NPT 1ST END
NOMINAL THREAD SIZE 3.000 INCHES 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 12.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY RELIEF PRESSURE RATING,AND SIZE AND TYPE OF END CONNECTIONS
MANUFACTURERS CODE 01343
DESIGN CONTROL REFERENCE 83

Restrictions/Controls & Freight Information | NSN 4820-00-950-5975

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