4920-00-446-3557 FIXTURE,AIRCRAFT MAINTENANCE Index 4820-00-446-3560 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-446-3559

Federal Supply Class:
4820

National Item Identification Number:
004463559

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:
1768M5P967DANTE VALVE COMPANY
1768M65079DANCO VALVE COMPANY
AD470837239LUNKENHEIMER CO
AK29S49-24ALT3PC1053711NAVAL SEA SYSTEMS COMMAND
AR5S49-022PC1253711NAVAL SEA SYSTEMS COMMAND
AK29S49-24ALT3PC1080064NAVAL SHIP SYSTEMS COMMAND
AR5S49-022PC1280064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+2800.0 TO 4800.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODINTEGRAL
BONNET TYPEINSIDE SCREW
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
CONNECTION STYLEPLAIN (PIPE) 1ST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY STEM
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MAXIMUM OPERATING PRESSURE4800.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
NOMINAL THREAD SIZE0.375 INCHES 1ST END
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD SERIES DESIGNATORNPT 1ST END
VALVE OPERATION METHODMANUAL


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