4320-01-128-2254 SLEEVE,SHAFT,PUMP Index 4820-01-128-2256 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-128-2255

Federal Supply Class:
4820

National Item Identification Number:
011282255

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:
10124578A486GNIMIKKEISTOKESKUS NCB FINLAND
2S286299240CRISSAIR INC


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 BODY
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE BODY
MIL-P-5315 MIL SPEC SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP225.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
UNTHREADED EXTERNAL TUBE 2ND END
CONNECTION STYLEPLAIN (TUBE) 1ST END
GROOVED (TUBE) 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.812 INCHES 2ND END
THREAD SERIES DESIGNATORUNJF 1ST END
NOMINAL THREAD SIZE0.875 INCHES 1ST END
THREAD CLASS3A 1ST END
THREAD DIRECTIONRIGHT-HAND 1ST END
MOUNTING POSITIONHORIZONTAL OR
VERTICAL


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