1240-00-658-3141 SCALE,RANGE Index 4820-00-658-3145 VALVE,PLUG

National Stock Number:
4820-00-658-3144

Federal Supply Class:
4820

National Item Identification Number:
006583144

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:
129464610001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SCREW
CONNECTION TYPETHREADED INTERNAL BOSS 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
CONNECTION STYLEGASKET SEAL(BOSS) 1ST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEDISK
MATERIALALUMINUM ALLOY BODY
MATERIALALUMINUM ALLOY STEM
MATERIALPLASTIC POLYAMIDE FLOW CONTROL DEVICE
MATERIALSTEEL SEAT
MAXIMUM OPERATING PRESSURE120.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP110.0 FAHRENHEIT SINGLE RESPONSE
NOMINAL THREAD SIZE0.750 INCHES 1ST END
OPENING PRESSURE SETTING150.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORANGLE
THREAD CLASS3B 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD QUANTITY PER INCH16 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
VALVE OPERATION METHODAUTOMATIC
VALVE DISCHARGE FLOW RATE2.0 GALLONS PER MINUTE


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