3020-00-173-7380 GEAR,SPUR Index 4320-00-173-7382 PUMP UNIT,ROTARY

National Stock Number:
4820-00-173-7381

Federal Supply Class:
4820

National Item Identification Number:
001737381

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:
2R263099240CRISSAIR INC
64658-03119-10178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
CONNECTION TYPETHREADED CARTRIDGE ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALSTEEL COMP 440C FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDOIL, HYDRAULIC SINGLE RESPONSE
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS
OPENING PRESSURE SETTING185.0 POUNDS PER SQUARE INCH
VALVE DISCHARGE FLOW RATE0.5 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSCREW-IN CARTRIDGE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 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 SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ) ALL ENDS
THREAD QUANTITY PER INCH118 ALL ENDS


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