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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:
| MATERIAL | ALUMINUM ALLOY BODY | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | FUEL/OIL, HYDROCARBON 2ND RESPONSE | | MAXIMUM OPERATING PRESSURE | 60.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 350.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | THREADED INTERNAL BOSS 2ND END | | CONNECTION STYLE | PLAIN (TUBE) 1ST END | | GASKET SEAL (BOSS) 2ND END | | THREAD SERIES DESIGNATOR | UNJ 1ST END | | UNJF 2ND END | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | THREAD QUANTITY PER INCH | 20 2ND END | | THREAD CLASS | 3A 1ST END | | 3B 2ND END | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL |
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