4820-00-008-3761 VALVE,SAFETY RELIEF Index 6210-00-008-3763 TRANSFORMER ASSEMBLY,LIGHT SET

National Stock Number:
4820-00-008-3762

Federal Supply Class:
4820

National Item Identification Number:
000083762

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
3-70340-10JRC1NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
3-70340-176823NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEFLARED (TUBE) 1ST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
NOMINAL THREAD SIZE0.438 INCHES 1ST END
SEAT ANGLE37.0 DEGREES 1ST END
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD QUANTITY PER INCH20 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
VALVE OPERATION METHODAUTOMATIC


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