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National Stock Number:
4820-00-388-9761
Federal Supply Class:
4820
National Item Identification Number:
003889761
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:
| 1011049-6 | 98391 | ARKWIN INDUSTRIES, INC. |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL BOSS 1ST END | | CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | STEEL BODY | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | MATERIAL | STEEL CORROSION RESISTING SEAT | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 0.437 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 2A 1ST END | | THREAD CLASS | 2A 2ND END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD DIRECTION | RIGHT-HAND 2ND END | | THREAD QUANTITY PER INCH | 20 1ST END | | THREAD SERIES DESIGNATOR | UN 1ST END | | THREAD SERIES DESIGNATOR | UNEF 2ND END | | VALVE OPERATION METHOD | AUTOMATIC |
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