5935-01-216-4650 INSERT,ELECTRICAL CONNECTOR Index 5340-01-216-4653 COVER,ACCESS

National Stock Number:
4820-01-216-4652

Federal Supply Class:
4820

National Item Identification Number:
012164652

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:
1V0005-00122915NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL BOSS 1ST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL COMP 303 BODY
MAXIMUM OPERATING PRESSURE35.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP125.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHELIUM 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDNITROGEN, GASEOUS 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 3RD RESPONSE
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
OPENING PRESSURE SETTING20.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTPASSIVATE
THREAD CLASS2A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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