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National Stock Number:
4820-00-283-3822
Federal Supply Class:
4820
National Item Identification Number:
002833822
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:
| 4R121-105 | 82829 | ALLEN AIRCRAFT PRODUCTS INC | | 6F2962-105 | 99240 | CRISSAIR INC | | 749831-105 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| MATERIAL | STEEL COMP 630 OVERALL | | SURFACE TREATMENT | PASSIVATE | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | -65.0 DEG FAHRENHEIT 1ST RESPONSE | | 275.0 DEG FAHRENHEIT 2ND RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | FLARELESS ALL ENDS | | SEAT ANGLE | 12.0 DEGREES ALL ENDS | | THREAD SERIES DESIGNATOR | UNJF ALL ENDS | | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END | | 0.438 INCHES 2ND END | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL |
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