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National Stock Number:
4820-01-125-5504
Federal Supply Class:
4820
National Item Identification Number:
011255504
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:
| 74B580185-101 | 76301 | THE BOEING COMPANY | | P112-533 | 91816 | CIRCOR AEROSPACE, INC. | | P112-533-16 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| MATERIAL | ALUMINUM BODY | | SURFACE TREATMENT | ANODIZE | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | FUEL/OIL, HYDROCARBON 2ND RESPONSE | | MAXIMUM OPERATING PRESSURE | 25.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL BOSS 1ST END | | UNTHREADED EXTERNAL TUBE 2ND END | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END | | GROOVED (TUBE) 2ND END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | THREAD SERIES DESIGNATOR | UN 1ST END | | NOMINAL THREAD SIZE | 1.312 INCHES 1ST END | | THREAD QUANTITY PER INCH | 12 1ST END | | THREAD CLASS | 3A 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL |
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