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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:
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | STEEL COMP 304 BODY | | MATERIAL | STEEL COMP 440C FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | 275.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS SINGLE 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 | | SURFACE TREATMENT | PASSIVATE | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT (UNJ) FIRST END | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END | | THREAD QUANTITY PER INCH | 20 FIRST END |
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