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National Stock Number:
4820-00-866-8152
Federal Supply Class:
4820
National Item Identification Number:
008668152
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:
| 32-72009-45 | 76301 | THE BOEING COMPANY | | 8R7633-45 | 26044 | SAF INDUSTRIES LLC | | 8R7633-45 | 83421 | NATIONAL INDUSTRIES FOR THE BLIND |
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Techincal Specification:
| APERTURE DIAMETER | 0.034 INCHES NOMINAL | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | RUBBER SYNTHETIC PACKING | | MATERIAL | STEEL BODY | | MATERIAL | STEEL FLOW CONTROL DEVICE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL THREAD SIZE | 0.375 INCHES 1ST END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | SPECIAL FEATURES | 2.110 LG O/A,0.625 IN. ACROSS FLATS,0.004 FLOW IN RESTRICTED DIRECTION WITH DOWNSTREAM PRESSURE,0.250 FLOW INFREE FLOW DIRECTION WITH DOWNSTREAM PRESSURE | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 3A 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END |
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