Product Details | SAFETY RELIEF VALVE

4820-01-473-1364 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: K874559001, K874559-001, A395, 4820-01-473-1364, 01-473-1364, 4820014731364, 014731364

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 28 MAR 2000 01-473-1364

Drawings & Photos | NSN 4820-01-473-1364


Cross Reference | NSN 4820-01-473-1364

Part Number Cage Code Manufacturer
A395 06239 AUSCO,INC.
K874559-001 84955 KAMAN AEROSPACE CORPORATION DBA AIR VEHICLES & MRO DIVISION

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Technical Data | NSN 4820-01-473-1364

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY RUBBER FLUOROCARBON CLASS FPM PACKING
SURFACE TREATMENT ANODIZE
STYLE DESIGNATOR C3 ANGLE
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED FUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 115.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 450.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE 5.0 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION STYLE G2A SWIVEL NUT, FLARE 1ST END G23A REDUCED SOCKET 2ND END
OPENING PRESSURE SETTING 90.0 POUNDS PER SQUARE INCH
MINIMUM OPERATING TEMP -40.0 DEG FAHRENHEIT
SPECIAL FEATURES LOCK SCREW, ADJUSTMENT, SPRING, AND POPPET MATERIAL CORROSION RESISTANT STEEL WITH PASSIVATE FINISH; NORMAL OPERATING TEMPERATURE PLUS 280.0 DEG. F; MAXIMUM TEMPERATURE PLUS 450.0 DEG. F; NOMINAL LENGTH 1.645 IN.; INSIDE DIA. 0.335 TO 0.337 IN.; OUTSIDE DIA. 0.434 TO 0.435 IN.; DISTANCE ACROSS HEX HEAD IS 0.813 IN. NOMINAL
MANUFACTURERS CODE 84955
MFR SOURCE CONTROLLING REFERENCE K874559-001

Restrictions/Controls & Freight Information | NSN 4820-01-473-1364

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