Product Details | SAFETY RELIEF VALVE

4820-01-625-8328 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: 5159A4T450, 5159A-4T-450 , 4820-01-625-8328, 01-625-8328, 4820016258328, 016258328

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 2014049 01-625-8328

Cross Reference | NSN 4820-01-625-8328

Part Number Cage Code Manufacturer
5159A-4T-450 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-01-625-8328

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY
STYLE DESIGNATOR SCREW-IN CARTRIDGE
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END
FLANGE SHAPE HEXAGON 1ST END
NOMINAL OUTSIDE DIAMETER 0.811 INCHES 1ST END
NOMINAL THREAD SIZE 0.250 INCHES 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
III PART NAME ASSIGNED BY CONTROLLING AGENCY RELIEF VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-625-8328

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