Product Details | SAFETY RELIEF VALVE

4820-01-482-4849 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: D524A4D22, D524A-4D-22, 4820-01-482-4849, 01-482-4849, 4820014824849, 014824849

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 23 FEB 2001 01-482-4849

Drawings & Photos | NSN 4820-01-482-4849


Cross Reference | NSN 4820-01-482-4849

Part Number Cage Code Manufacturer
D524A-4D-22 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-01-482-4849

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY SILICON SEAT
STYLE DESIGNATOR C5 STRAIGHT THRU W/BAFFLE
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 400.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLE G46A PLAIN ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 22.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 1 DEFLECTOR CAP
MINIMUM OPERATING TEMP -65.0 DEG FAHRENHEIT
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
SPECIAL FEATURES STAINLESS STEEL SPRING
III PART NAME ASSIGNED BY CONTROLLING AGENCY ADJUSTABLE POPOFF RELIEF VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-482-4849

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