Product Details | SAFETY RELIEF VALVE

4820-00-918-9348 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: B5230, 4820-00-918-9348, 00-918-9348, 4820009189348, 009189348

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1960 00-918-9348

Drawings & Photos | NSN 4820-00-918-9348


Cross Reference | NSN 4820-00-918-9348

Part Number Cage Code Manufacturer
B5230 28193 HENRY TECHNOLOGIES INC.

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Technical Data | NSN 4820-00-918-9348

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE COPPER ALLOY SEAT
STYLE DESIGNATOR B3 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE G42 FLARED 1ST END G46B PLAIN 2ND END
SEAT ANGLE 45.0 DEGREES 1ST END
NOMINAL PIPE SIZE ACCOMMODATED 0.250 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF 1ST END NPT 2ND END
NOMINAL THREAD SIZE 0.562 INCHES 1ST END 0.250 INCHES 2ND END
THREAD QUANTITY PER INCH 18 1ST END 18 2ND END
THREAD CLASS 3A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 150.0 TO 450.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
MANUFACTURERS CODE 28193
DESIGN CONTROL REFERENCE B5230

Restrictions/Controls & Freight Information | NSN 4820-00-918-9348

Category Code Description
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.
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