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National Stock Number:
4820-01-347-8378
Federal Supply Class:
4820
National Item Identification Number:
013478378
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:
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Techincal Specification:
| MATERIAL | STEEL COMP 304 BODY | | STEEL COMP 440C FLOW CONTROL DEVICE | | SURFACE TREATMENT | PASSIVATE | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 275.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | THREAD SERIES DESIGNATOR | UNJ 1ST END | | UNJF 2ND END | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | THREAD QUANTITY PER INCH | 20 1ST END | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL |
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