1650-00-541-7658 VALVE,SAFETY RELIEF Index 4140-00-541-7661 FAN,VENTILATING

National Stock Number:
4820-00-541-7659

Federal Supply Class:
4820

National Item Identification Number:
005417659

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:
4381026-52718355THE BOEING COMPANY
4381026-52788277THE BOEING COMPANY
7545912-50718355THE BOEING COMPANY
A40154A81982HYDRO-AIRE AEROSPACE CORP
A40154A365081982HYDRO-AIRE AEROSPACE CORP
7545912-50788277THE BOEING COMPANY


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+2300.0 TO 3850.0 POUNDS PER SQUARE INCH
BONNET TYPEPACKING RETAINING
CONNECTION STYLEGASKET SEAL(BOSS) FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS FIRST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDOIL, HYDRAULIC SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END
NOMINAL THREAD SIZE0.437 INCHES FIRST END
VALVE OPERATION METHODAUTOMATIC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED
SURFACE TREATMENTANODIZE LOCATION NOT OTHERWISE SPECIFIED
THREAD CLASS3B FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD QUANTITY PER INCH20 FIRST END
THREAD SERIES DESIGNATORUNF FIRST END


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