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National Stock Number:
4820-00-001-9554
Federal Supply Class:
4820
National Item Identification Number:
000019554
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:
| 869A-4BT-2 | 91816 | CIRCOR AEROSPACE, INC. | | 869T4TT2 | 91816 | CIRCOR AEROSPACE, INC. | | GV500G | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | GV500G4 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | GV500G4B | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | OPENING PRESSURE SETTING | 2.0 POUNDS PER SQUARE INCH | | OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | STEEL CORROSION RESISTING BODY | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | 180.0 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 | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD QUANTITY PER INCH | 20 ALL ENDS | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT (UNJ) ALL ENDS |
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