4820-01-261-2464 VALVE,SAFETY RELIEF Index 4820-01-261-2466 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-261-2465

Federal Supply Class:
4820

National Item Identification Number:
012612465

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:
RV05-28-20.091816CIRCOR AEROSPACE, INC.
ST7M30476301THE BOEING COMPANY
ST7M304D6-20.076301THE BOEING COMPANY


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM ALLOY BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
SURFACE TREATMENTANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-8625 TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING TEMP250.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
SEAT ANGLE37.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATORUNJ ALL ENDS
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS
THREAD QUANTITY PER INCH18 ALL ENDS
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
OPENING PRESSURE SETTING20.0 POUNDS PER SQUARE INCH
MINIMUM OPERATING TEMP-40.0 DEG FAHRENHEIT


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