5306-00-068-8990 BOLT,SHEAR Index 5930-00-068-8992 SWITCH,SEPARATION

National Stock Number:
4820-00-068-8991

Federal Supply Class:
4820

National Item Identification Number:
000688991

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:
128SCH107-126512NORTHROP GRUMMAN SYSTEMS CORPORATION
128SCH107-179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION
MC166576050EATON AEROSPACE LLC M C AEROSPACE DIV DBA STERER ENGINEERING
2098099643EATON AEROSPACE LLC


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+49.0 TO 51.0 POUNDS PER SQUARE INCH
BONNET TYPEPACKING RETAINING
CONNECTION STYLEGASKET SEAL(BOSS) FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS FIRST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALALUMINUM ALLOY OVERALL
MAXIMUM OPERATING TEMP-65.0 FAHRENHEIT FIRST RESPONSE
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
NOMINAL THREAD SIZE0.562 INCHES FIRST END
VALVE DISCHARGE FLOW RATE4.0 CUBIC FEET PER MINUTE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTANODIZE LOCATION NOT OTHERWISE SPECIFIED
THREAD CLASS3B FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END


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