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National Stock Number:
4820-01-003-7861
Federal Supply Class:
4820
National Item Identification Number:
010037861
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:
| 0130-70800-1 | 83533 | ESSEX INDUSTRIES INC | | 0130070800-1 | 83533 | ESSEX INDUSTRIES INC | | 749833-101 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION TYPE | THREADED INTERNAL BOSS 2ND END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | CONNECTION STYLE | GASKET SEAL (BOSS) 2ND END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS | | SEAT ANGLE | 37.0 DEGREES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | PASSIVATE | | THREAD CLASS | 3A 1ST END | | THREAD CLASS | 3B 2ND END | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC |
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