Product Details | SAFETY RELIEF VALVE

4820-00-469-7673 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: 2606, 4820-00-469-7673, 00-469-7673, 4820004697673, 004697673

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 13 JAN 1971 00-469-7673

Drawings & Photos | NSN 4820-00-469-7673


Demand History | NSN 4820-00-469-7673

Part Number Request Date QTY Origin
2606 2014-03-77 1 United States
2606 2012-05-142 50 Turkey

Cross Reference | NSN 4820-00-469-7673

Part Number Cage Code Manufacturer
2606 14959 CRANE CO DIV VALVE DIV

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Technical Data | NSN 4820-00-469-7673

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE COPPER ALLOY SEAT STEEL STEM
MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE BODY QQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED STEAM 1ST RESPONSE ALCOHOL, METHYL 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 250.0 POUNDS PER SQUARE INCH 1ST RESPONSE 250.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP 406.0 DEG FAHRENHEIT 1ST RESPONSE 406.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE 1ST END THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE G9 PLAIN 1ST END G46B PLAIN 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 1ST END 0.500 INCHES 2ND END
THREAD SERIES DESIGNATOR NPT 1ST END NPT 2ND END
NOMINAL THREAD SIZE 0.500 INCHES 1ST END 0.500 INCHES 2ND END
THREAD QUANTITY PER INCH 14 1ST END 14 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 15.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE

Restrictions/Controls & Freight Information | NSN 4820-00-469-7673

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
No Freight Information