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National Stock Number:
4820-00-409-8776
Federal Supply Class:
4820
National Item Identification Number:
004098776
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.
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Manufacturer Information:
| 2249B4MM | 91816 | CIRCOR AEROSPACE, INC. | | A45600 | 81795 | ALLIANZ SWEEPER COMPANY |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST END | | CONNECTION TYPE | THREADED EXTERNAL PIPE SECOND END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | HELIUM SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PETROLEUM BASE THIRD RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDROGEN FOURTH RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 0.500 INCHES FIRST END | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD SERIES DESIGNATOR | NPT FIRST END | | THREAD QUANTITY PER INCH | 14 FIRST END |
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