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National Stock Number:
4820-00-694-7340
Federal Supply Class:
4820
National Item Identification Number:
006947340
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:
| S14-45-2328 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 2ND END | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | ALUMINUM ALLOY BODY | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END | | NOMINAL PIPE SIZE ACCOMMODATED | 0.125 INCHES ALL ENDS | | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.125 INCHES 2ND END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 3A 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD DIRECTION | RIGHT-HAND 2ND END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | THREAD QUANTITY PER INCH | 20 1ST END | | THREAD QUANTITY PER INCH | 27 2ND END | | THREAD SERIES DESIGNATOR | ANPT 2ND END | | VALVE OPERATION METHOD | MANUAL |
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