4320-00-139-4117 PUMP SUBASSEMBLY,ROTARY Index 4730-00-139-4119 PARTS KIT,STEAM TRAP

National Stock Number:
4820-00-139-4118

Federal Supply Class:
4820

National Item Identification Number:
001394118

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:
1023396318876U S ARMY AVIATION AND MISSILE COMMAND
520A-8D-14891816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION STYLEPLAIN (TUBE) 1ST END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
OPENING PRESSURE SETTING148.0 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY2024,T4 FED SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALALUMINUM ALLOY 2024 AND PLASTIC POLYTETRAFLUOROETHYLENE STEM
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALALUMINUM ALLOY 2024 SEAT
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-100.0 FAHRENHEIT 1ST RESPONSE500.0 FAHRENHEIT 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 1ST END
NOMINAL THREAD SIZE0.750 INCHES 1ST END
SPECIAL FEATURESVALVE SIZE 0.500 IN.
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD SERIES DESIGNATORUNJF 1ST END


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