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National Stock Number:
4820-00-287-4433
Federal Supply Class:
4820
National Item Identification Number:
002874433
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:
| 10164350 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 259A-2PP-2.5 | 91816 | CIRCOR AEROSPACE, INC. | | 317337-1 | 3B150 | RAYTHEON COMPANY | | 259A2PP | 91815 | JACOBUS A G SONS INC | | 259A2PP | 91816 | CIRCOR AEROSPACE, INC. | | 269A2PP2-5 | 91816 | CIRCOR AEROSPACE, INC. | | 556-8818 | 11530 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN INFORMATION SYSTEMS & GLOBAL SOLUTIONS | | 317337-1 | 49956 | RAYTHEON COMPANY | | 317337-1 | 54X10 | RAYTHEON COMPANY |
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Techincal Specification:
| CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | ALUMINUM ALLOY OVERALL | | MAXIMUM OPERATING TEMP | -40.0 FAHRENHEIT FIRST RESPONSE | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | ACETYLENE SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | ALCOHOL, ETHYL THIRD RESPONSE | | MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS FOURTH RESPONSE | | MEDIA FOR WHICH DESIGNED | CARBON DIOXIDE FIFTH RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 2.5 POUNDS PER SQUARE INCH | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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