4820-00-412-4290 VALVE,CHECK Index 2590-00-412-4300 JACK,LEVELING SUPPORT,VEHICLE

National Stock Number:
4820-00-412-4291

Federal Supply Class:
4820

National Item Identification Number:
004124291

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:
D520A4D12591816CIRCOR AEROSPACE, INC.
GV500KF4D125D26512NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU W/BAFFLE
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM ALLOY BODY
ALUMINUM ALLOY BODY LINING
PLASTIC POLYTETRAFLUOROETHYLENE SEAT
SURFACE TREATMENTANODIZE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-86251 MIL SPEC SINGLE TREATMENT RESPONSE
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP400.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
SEAT ANGLE37.0 DEGREES ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
THREAD SERIES DESIGNATORUNJF ALL ENDS
NOMINAL THREAD SIZE0.437 INCHES 1ST END
THREAD QUANTITY PER INCH20 1ST END
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODINTEGRAL
DISK LOADING METHODSPRING
OPENING PRESSURE SETTING125.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE60.0 TO 150.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY1 DEFLECTOR CAP
MINIMUM OPERATING TEMP-100.0 DEG FAHRENHEIT
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE


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