5960-00-451-0569 ELECTRON TUBE Index 4320-00-451-0571 PLATE,RETAINING

National Stock Number:
4820-00-451-0570

Federal Supply Class:
4820

National Item Identification Number:
004510570

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:
65651-09106-10278286SIKORSKY AIRCRAFT CORPORATION
H55506239AUSCO INC


Techincal Specification:
BONNET TYPEPACKING RETAINING
CONNECTION TYPETHREADED EXTERNAL BOSS 2ND END
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END
CONNECTION STYLEGASKET SEAL(BOSS) 1ST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 MFR REF 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303-CANCELED FED SPEC 1ST MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303-CANCELED FED SPEC 3RD MATERIAL RESPONSE SEAT
MATERIALSTEEL COMP 303 BODY
MATERIALSTEEL COMP 303 SEAT
MATERIALSTEEL COMP 630 FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE35.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 2ND END
NOMINAL THREAD SIZE0.750 INCHES 1ST END
NOMINAL THREAD SIZE0.750 INCHES 2ND END
OPENING PRESSURE SETTING48.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESSECOND END DESCRIPTION IS INLET
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD CLASS3A 2ND END
THREAD CLASS3B 1ST END
THREAD SERIES DESIGNATORUNF 2ND END
THREAD SERIES DESIGNATORUNJF 1ST END
THREAD QUANTITY PER INCH16 1ST END
THREAD QUANTITY PER INCH16 2ND END
VALVE DISCHARGE FLOW RATE6.0 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC


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