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National Stock Number:
4820-01-221-8849
Federal Supply Class:
4820
National Item Identification Number:
012218849
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:
| 259A-4TT-.2 | 91816 | CIRCOR AEROSPACE, INC. | | 71010846002 | 89944 | ELBITAMERICA, INC. | | CV02-42 | 89944 | ELBITAMERICA, INC. |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 BODY | | SURFACE TREATMENT | ANODIZE | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | CARBON DIOXIDE 2ND RESPONSE | | HYDRAULIC FLUID, MINERAL BASE 3RD RESPONSE | | GAS, NATURAL 4TH RESPONSE | | WATER, SALT 5TH RESPONSE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT 1ST RESPONSE | | 250.0 DEG FAHRENHEIT 2ND RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | FLARED (TUBE) ALL ENDS | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | THREAD SERIES DESIGNATOR | UNJF ALL ENDS | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 0.2 POUNDS PER SQUARE INCH |
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