4730-00-494-8098 CAP,LUBRICATION FITTING,PROTECTI Index 4720-00-494-8107 HOSE,AIR DUCT

National Stock Number:
4820-00-494-8106

Federal Supply Class:
4820

National Item Identification Number:
004948106

Description:
VALVE,SAFETY RELIEF

Detail:
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.


Manufacturer Information:
513991-180020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL COMP 303 BODY
STEEL COMP 303 AND
STEEL COMP 416 FLOW CONTROL DEVICE
PLASTIC POLYURETHANE SEAT
SURFACE TREATMENTPASSIVATE
FLOW CONTROL DEVICEPOPPET
MAXIMUM OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP225.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
CONNECTION STYLEGASKET SEAL(BOSS) 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 1ST END
THREAD SERIES DESIGNATORUNJF 1ST END
NOMINAL THREAD SIZE0.750 INCHES 1ST END
THREAD QUANTITY PER INCH16 1ST END
THREAD CLASS3B 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
RENEWABLE SEAT RING TYPEPRESSED-IN
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODINTEGRAL
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING1000.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE800.0 TO 1500.0 POUNDS PER SQUARE INCH
THE MANUFACTURERS DATA
MANUFACTURERS CODE80020
DESIGN CONTROL REFERENCE513991-1


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