Product Details | SAFETY RELIEF VALVE

4820-01-391-9398 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: SVJ5071R, 4820-01-391-9398, 01-391-9398, 4820013919398, 013919398

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 20 JUN 1994 01-391-9398

Drawings & Photos | NSN 4820-01-391-9398


Cross Reference | NSN 4820-01-391-9398

Part Number Cage Code Manufacturer
SVJ5071R 23724 RUTHMAN PUMP AND ENGINEERING INC DIV FULFLO SPECIALTIES CO.

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Technical Data | NSN 4820-01-391-9398

Characteristic Specifications
MATERIAL IRON CAST UNS F11501 BODY STEEL FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A126(A) ASSN STD SINGLE MATERIAL RESPONSE BODY
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE PISTON
MEDIA FOR WHICH DESIGNED OIL, HYDRAULIC SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 1000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLE G4 GASKET SEAL ALL ENDS
THREAD SERIES DESIGNATOR UN ALL ENDS
NOMINAL THREAD SIZE 1.312 INCHES ALL ENDS
THREAD QUANTITY PER INCH 12 ALL ENDS
THREAD CLASS 2B ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD INTEGRAL
DISK LOADING METHOD SPRING
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
SPECIAL FEATURES HARDENED STEEL PISTON

Restrictions/Controls & Freight Information | NSN 4820-01-391-9398

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