3120-00-053-4545 BUSHING,SLEEVE Index 5996-00-053-4547 AMPLIFIER ASSEMBLY

National Stock Number:
4820-00-053-4546

Federal Supply Class:
4820

National Item Identification Number:
000534546

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:
128SCH142-1326512NORTHROP GRUMMAN SYSTEMS CORPORATION
128SCH142-1379RG9NORTHROP GRUMMAN SYSTEMS CORPORATION
A90369-1381982HYDRO-AIRE AEROSPACE CORP


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM ALLOY BODY
STEEL CORROSION RESISTING FLOW CONTROL DEVICE
ALUMINUM ALLOY SEAT
STEEL CORROSION RESISTING STEM
SURFACE TREATMENTANODIZE
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP275.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE1.2 GALLONS PER MINUTE
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLEGASKET SEAL(BOSS) ALL ENDS
THREAD SERIES DESIGNATORUNJF ALL ENDS
NOMINAL THREAD SIZE0.437 INCHES ALL ENDS
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING1285.0 POUNDS PER SQUARE INCH
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
SPECIAL FEATURESFREE REVERSE FLOW


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