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National Stock Number:
4820-01-370-4849
Federal Supply Class:
4820
National Item Identification Number:
013704849
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:
| P98-533-4 | 91816 | CIRCOR AEROSPACE, INC. | | ST7M475-4 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| CONNECTION STYLE | GASKET SEAL (BOSS) SECOND END | | CONNECTION STYLE | PLAIN (TUBE) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END | | CONNECTION TYPE | THREADED INTERNAL BOSS SECOND END | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | ALUMINUM ALLOY BODY | | MAXIMUM OPERATING TEMP | 350.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SECOND RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 3A FIRST END | | THREAD CLASS | 3B SECOND END | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT (UNJ) FIRST END | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END | | THREAD QUANTITY PER INCH | 20 SECOND END |
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