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National Stock Number:
4820-00-875-9810
Federal Supply Class:
4820
National Item Identification Number:
008759810
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:
| 2259B4MM | 91816 | CIRCOR AEROSPACE, INC. | | 440362 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS INC | | 9975894 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 440362 | 92878 | HDT EXPEDITIONARY SYSTEMS INC | | 440362 | 94833 | KECO INDUSTRIES INC. |
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Techincal Specification:
| MATERIAL | COPPER ALLOY BODY | | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | HELIUM 2ND RESPONSE | | HYDROGEN 3RD RESPONSE | | NITROGEN, GASEOUS 4TH RESPONSE | | HYDRAULIC FLUID, MINERAL BASE 5TH RESPONSE | | MAXIMUM OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 280.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS | | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | DISK LOADING METHOD | SPRING | | SPECIAL FEATURES | NOMINAL CRACKING PRESSURE 1 PSI |
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