Product Details | SAFETY RELIEF VALVE

4820-00-606-0091 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: N131XL, N131XL17713REVC, NSRV250, NSRV-2-50, 1771337, 17713-37, 1772280, 17722-80, 177237B, 17723-7B, 4820-00-606-0091, 00-606-0091, 4820006060091, 006060091

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30-JAN-75 00-606-0091

Drawings & Photos | NSN 4820-00-606-0091


Cross Reference | NSN 4820-00-606-0091

Part Number Cage Code Manufacturer
17721 PIECE 7 19857 ELECTRIC HEATER COMPANY, THE DBA HUBBELL-ELECTRIC HEATER CO
HSRV-2-50 19857 ELECTRIC HEATER COMPANY, THE DBA HUBBELL-ELECTRIC HEATER CO
N131XL-50 19857 ELECTRIC HEATER COMPANY, THE DBA HUBBELL-ELECTRIC HEATER CO

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Technical Data | NSN 4820-00-606-0091

Characteristic Specifications
MATERIAL COPPER ALLOY BODY
STYLE DESIGNATOR C1 ANGLE
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 2.250 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 5.125 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED WATER, FRESH SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 50.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 180.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE 1ST END UNTHREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE G3B SWIVEL NUT, GASKET SEAL 1ST END G60B PLAIN 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES 2ND END
THREAD SERIES DESIGNATOR NPT 1ST END
NOMINAL THREAD SIZE 0.500 INCHES 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
BONNET TYPE INSIDE SCREW
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING

Restrictions/Controls & Freight Information | NSN 4820-00-606-0091

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: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