Product Details | SAFETY RELIEF VALVE

4820-01-127-3851 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: E8612D51M, 8610, 4820-01-127-3851, 01-127-3851, 4820011273851, 011273851

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01-127-3851

Drawings & Photos | NSN 4820-01-127-3851


Cross Reference | NSN 4820-01-127-3851

Part Number Cage Code Manufacturer
8610 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
8612D51M 20T24PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8612D51M 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8612D51M 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM

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Technical Data | NSN 4820-01-127-3851

Characteristic Specifications
MATERIAL COPPER ALLOY BODY NICKEL ALLOY FLOW CONTROL DEVICE NICKEL ALLOY SEAT NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE STEAM 2ND RESPONSE WATER, FRESH 3RD RESPONSE
MAXIMUM OPERATING PRESSURE 1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 425.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G30B SOCKET WITH BRAZING RING ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD BOLTED
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 20.0 TO 24.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-127-3851

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