Product Details | SAFETY RELIEF VALVE

4820-00-625-8741 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: TDP11490P0UND, TDP11-4-90P0UND, 4820-00-625-8741, 00-625-8741, 4820006258741, 006258741

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 00-625-8741

Drawings & Photos | NSN 4820-00-625-8741


Cross Reference | NSN 4820-00-625-8741

Part Number Cage Code Manufacturer
3240431 55380 HATCH & KIRK, INC. DIV HATCH & KIRK INC
3240431 72915 GENERAL MOTORS CORP ELECTRO-MOTIVE DIV
81125S41-21670ALT3PC13 80064 NAVAL SHIP SYSTEMS COMMAND
TDP11-4-90P0UND 36888 MCGRAW-EDISON CO AIR COMFORT DIV

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Technical Data | NSN 4820-00-625-8741

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY FLOW CONTROL DEVICE COPPER ALLOY SEAT STEEL STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
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
THREAD SERIES DESIGNATOR NPT 1ST END NPT 2ND END
NOMINAL THREAD SIZE 1.250 INCHES 1ST END 1.250 INCHES 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 90.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE

Restrictions/Controls & Freight Information | NSN 4820-00-625-8741

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
Category Code Description
No Freight Information