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National Stock Number:
4820-00-709-9388
Federal Supply Class:
4820
National Item Identification Number:
007099388
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:
| 820731 | 80206 | NAVAL AIR DEVELOPMENT CENTER WARMINSTER NAVAIRSYSCOM HQ | | 873577 | 0KDP7 | KIDDE-FENWAL, LLC | | 90873577 | 0KDP7 | KIDDE-FENWAL, LLC | | 873577 | 96487 | VALCOR ENGINEERING CORPORATION |
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Techincal Specification:
| APERTURE DIAMETER | 0.013 INCHES NOMINAL | | CONNECTION STYLE | FLARED (TUBE) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | CONE | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | ALUMINUM ALLOY FLOW CONTROL DEVICE | | MATERIAL | ALUMINUM ALLOY SEAT | | MATERIAL | RUBBER SYNTHETIC PACKING | | MAXIMUM OPERATING TEMP | 165.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 0.437 INCHES ALL ENDS | | OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD QUANTITY PER INCH | 20 ALL ENDS | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT (UNJ) ALL ENDS |
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