4920-00-882-5584 FIXTURE,TEST Index 4730-00-882-5587 REDUCERBODY,TUBE

National Stock Number:
4820-00-882-5585

Federal Supply Class:
4820

National Item Identification Number:
008825585

Description:
VALVE,RESTRICTOR CHECK

Detail:
A VALVE HAVING AN ORIFICE IN THE POPPET, DISK, OR THE LIKE, TO PERMIT RESTRICTED FLUID FLOW WHEN THE VALVE IS SEATED. IT DOES NOT HAVE A STEM OR PROVISIONS FOR PRESSURE ADJUSTMENTS, AND IS SIMILAR TO A VALVE, CHECK WITH THE EXCEPTION OF THE ORIFICE WHICH PERMITS FLUID FLOW IN MORE THAN ONE DIRECTION.


Manufacturer Information:
2-439280JRC1NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
2-4392876823NORTHROP GRUMMAN SYSTEMS CORPORATION
B1038-950276PREECE INC DECCA VALVES DIV
2-4392879U29NORTHROP GRUMMAN SYSTEMS CORPORATION
6F219699240CRISSAIR INC


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 BODY
STEEL COMP 303 FLOW CONTROL DEVICE
ALUMINUM ALLOY 2024 SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6, ALLOY 2024, T351 FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-S-764,TYPE303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP275.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARELESS ALL ENDS
SEAT ANGLE12.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATORUNJ ALL ENDS
NOMINAL THREAD SIZE0.562 INCHES 1ST END
0.438 INCHES 2ND END
THREAD QUANTITY PER INCH18 1ST END
20 2ND END
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODSPRING
MINIMUM OPERATING TEMP-65.0 DEG FAHRENHEIT


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