4820-01-247-6908 VALVE,CHECK Index 4810-01-247-6910 VALVE,SOLENOID

National Stock Number:
4820-01-247-6909

Federal Supply Class:
4820

National Item Identification Number:
012476909

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:
7M30476301THE BOEING COMPANY
7M304D6-0750C76301THE BOEING COMPANY
RV05-75-75.091816CIRCOR AEROSPACE, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+0.5 TO 140.0 POUNDS PER SQUARE INCH
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
FLOW CONTROL DEVICEPOPPET
OPENING PRESSURE SETTING75.0 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY BODY
MATERIALRUBBER CHLOROPRENE CLASS CR PACKING
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS SINGLE RESPONSE
MINIMUM OPERATING TEMP-40.0 FAHRENHEIT
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS
SPECIAL FEATURESOXYGEN SERVICE;TO BE CLEANED IAW MIL-C-81302
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 TYPE I MIL SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED
SURFACE TREATMENTANODIZE LOCATION NOT OTHERWISE SPECIFIED
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD QUANTITY PER INCH18 ALL ENDS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) ALL ENDS


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