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National Stock Number:
4820-00-495-6950
Federal Supply Class:
4820
National Item Identification Number:
004956950
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:
| 1R5448 | 26044 | SAF INDUSTRIES LLC | | 215-22537-4 | 80378 | TRIUMPH AEROSTRUCTURES, LLC | | 4R115-4 | 82829 | ALLEN AIRCRAFT PRODUCTS INC |
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Techincal Specification:
| APERTURE DIAMETER | 0.060 INCHES NOMINAL | | CONNECTION STYLE | COMPRESSION (TUBE) FIRST END | | CONNECTION STYLE | FLARELESS SECOND END | | CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END | | CONNECTION TYPE | THREADED EXTERNAL TUBE SECOND END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MAXIMUM OPERATING TEMP | 275.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 0.438 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.438 INCHES SECOND END | | SEAT ANGLE | 45.0 DEGREES SECOND END | | SPECIAL FEATURES | RESTRICTED FLOW AT 1500 PSI DIFFERENTIATING PRESSURE AND MIL-H-5606 FLUID AT 90 DEG F PORM 10 DEG F; SEAT NOMINAL RADIUS: A0.063 | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | PASSIVATE AND PAINT | | THREAD CLASS | 2A FIRST END | | THREAD CLASS | 2A SECOND END | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD DIRECTION | RIGHT-HAND SECOND END | | THREAD SERIES DESIGNATOR | NPT FIRST END | | THREAD SERIES DESIGNATOR | NPT SECOND END |
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