4820-00-529-3897 VALVE,CHECK Index 5120-00-529-3906 PLIERS,RETAINING RING

National Stock Number:
4820-00-529-3898

Federal Supply Class:
4820

National Item Identification Number:
005293898

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:
6532C308-180020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2
P249-1591816CIRCOR AEROSPACE, INC.


Techincal Specification:
BONNET TYPEPACKING RETAINING
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END
CONNECTION TYPETHREADED EXTERNAL BOSS 1ST END
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024,T4 FED SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALALUMINUM ALLOY AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATERIALALUMINUM ALLOY BODY
MATERIALALUMINUM ALLOY SEAT
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSECARBON DIOXIDE 2ND RESPONSEHELIUM 3RD RESPONSEHYDROGEN 4TH RESPONSENITROGEN, GASEOUS 5TH RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES 1ST END
NOMINAL THREAD SIZE0.562 INCHES 1ST END
OPENING PRESSURE SETTING15.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD QUANTITY PER INCH18 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
VALVE OPERATION METHODAUTOMATIC


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