Product Details | SAFETY RELIEF VALVE

4820-01-502-8493 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: 5602, 4820-01-502-8493, 01-502-8493, 4820015028493, 015028493

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 21 NOV 2002 01-502-8493

Drawings & Photos | NSN 4820-01-502-8493


Demand History | NSN 4820-01-502-8493

Part Number Request Date QTY Origin
5602 2015-07-191 148 US

Cross Reference | NSN 4820-01-502-8493

Part Number Cage Code Manufacturer
5602 28193 HENRY TECHNOLOGIES INC.

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Technical Data | NSN 4820-01-502-8493

Characteristic Specifications
MATERIAL IRON CAST BODY
STYLE DESIGNATOR B7 TEE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED REFRIGERANT, FLUORINATED SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 350.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 275.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLE G1B SWIVEL NUT, INVERTED FLARE 1ST END
THREAD SERIES DESIGNATOR NPT ALL ENDS

Restrictions/Controls & Freight Information | NSN 4820-01-502-8493

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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