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		                             National Stock Number: 4820-00-485-7822
  Federal Supply Class: 4820
  National Item Identification Number: 004857822
  Description: VALVE,RESTRICTOR CHECK
  Detail: A VALVE HAVING AN ORIFICE IN THE POPPET, DISK, OR THE LIKE, TO PERMIT RESTRICTED FLUID FLOW WHEN THE VALVE IS SEATED. IT DOES NOT HAVE A STEM OR PROVISIONS FOR PRESSURE ADJUSTMENTS, AND IS SIMILAR TO A VALVE, CHECK WITH THE EXCEPTION OF THE ORIFICE WHICH PERMITS FLUID FLOW IN MORE THAN ONE DIRECTION.
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  Manufacturer Information:
 | 748934 | 77445 | RTX CORPORATION |   
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  Techincal Specification:
 | STYLE DESIGNATOR | STRAIGHT THRU |  | APERTURE DIAMETER | 0.239 INCHES MINIMUM AND |   | 0.245 INCHES MAXIMUM |  | FLOW CONTROL DEVICE | POPPET |  | VALVE OPERATION METHOD | AUTOMATIC |  | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |  | CONNECTION STYLE | FLARED (TUBE) ALL ENDS |  | SEAT ANGLE | 45.0 DEGREES ALL ENDS |  | THREAD SERIES DESIGNATOR | UNS ALL ENDS |  | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |   | 0.438 INCHES 2ND END |  | THREAD QUANTITY PER INCH | 18 1ST END |   | 20 2ND END |  | THREAD CLASS | 3A ALL ENDS |  | THREAD DIRECTION | RIGHT-HAND ALL ENDS |  | MOUNTING POSITION | HORIZONTAL |  | DISK LOADING METHOD | SPRING |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 77445 |  | DESIGN CONTROL REFERENCE | 748934 |   
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