Product Details | SAFETY RELIEF VALVE

4820-00-914-4684 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: Y23925, Y239-2-5, 4820-00-914-4684, 00-914-4684, 4820009144684, 009144684

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 07 MAR 1966 00-914-4684

Drawings & Photos | NSN 4820-00-914-4684


Cross Reference | NSN 4820-00-914-4684

Part Number Cage Code Manufacturer
Y239-2-5 8Z296 DANFOSS FLUID POWER INC EASLEY OPN

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Technical Data | NSN 4820-00-914-4684

Characteristic Specifications
MATERIAL STEEL BODY STEEL FLOW CONTROL DEVICE STEEL SEAT STEEL STEM
STYLE DESIGNATOR C4 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL BOSS 1ST END
CONNECTION STYLE G50 EXTERNAL SEAT FOR GASKET SEAL 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.625 INCHES 1ST END
THREAD SERIES DESIGNATOR UNS 1ST END
NOMINAL THREAD SIZE 1.000 INCHES 1ST END
THREAD QUANTITY PER INCH 14 1ST END
THREAD CLASS 2A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 500.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED VALVE STEM LOCK SHIELD
MANUFACTURERS CODE 8Z296
DESIGN CONTROL REFERENCE Y239-2-5

Restrictions/Controls & Freight Information | NSN 4820-00-914-4684

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 AJ U.S. Army Soldier's Biological and Chemical
Command
Natick, MA 01760
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