4810-01-399-7421 SEAT,VALVE Index 4730-01-399-7423 FITTING,LUBRICATION

National Stock Number:
4820-01-399-7422

Federal Supply Class:
4820

National Item Identification Number:
013997422

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:
1935AS381-130003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
A-4CPA2-15002570SWAGELOK CO
A-4CPA2-15018034NUPRO CO
A-4CPA2-1503T9T9SWAGELOK CO


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+150.0 TO 350.0 POUNDS PER SQUARE INCH
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALALUMINUM ALLOY BODY
MAXIMUM OPERATING TEMP300.0 FAHRENHEIT SINGLE RESPONSE
MINIMUM OPERATING TEMP-40.0 FAHRENHEIT
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
SURFACE TREATMENTANODIZE LOCATION NOT OTHERWISE SPECIFIED
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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