Product Details | SAFETY RELIEF VALVE

4820-01-283-3807 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: S4824H3134243, D51UU-05 3/4IN AND D3400, D51UU0534INANDD3400, 5VCJ72, 4820-01-283-3807, 01-283-3807, 4820012833807, 012833807

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 05-AUG-88 01-283-3807

Drawings & Photos | NSN 4820-01-283-3807


Demand History | NSN 4820-01-283-3807

Part Number Request Date QTY Origin
4820-01-283-3807 2014-03-61 1 DIBBS
4820-01-283-3807 2014-03-61 2 DIBBS

Cross Reference | NSN 4820-01-283-3807

Part Number Cage Code Manufacturer
5VCJ72 16497 DRESSER, INC. DBA DRESSER EQUIPMENT GROUP
D51UU-05 3/4IN AND D3400 5P967 DANTE VALVE COMPANY INC
D51UU-05 3/4IN AND D3400 65079 DANCO VALVE COMPANY
S4824H3134243 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-283-3807

Characteristic Specifications
MATERIAL BRONZE BODY NICKEL ALLOY FLOW CONTROL DEVICE RUBBER PACKING NICKEL ALLOY SEAT STEEL CORROSION RESISTING STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH 1ST RESPONSE 200.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP 150.0 DEG FAHRENHEIT 1ST RESPONSE 425.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G20B SOCKET ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 0.750 INCHES ALL ENDS
RENEWABLE SEAT RING TYPE THREADED
BONNET TYPE INSIDE SCREW
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 45.0 TO 75.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES W/GAGGING DEVICE

Restrictions/Controls & Freight Information | NSN 4820-01-283-3807

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:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information