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National Stock Number:
4820-00-283-1176
Federal Supply Class:
4820
National Item Identification Number:
002831176
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:
| 4R121-101 | 82829 | ALLEN AIRCRAFT PRODUCTS INC | | 6F2962-101 | 99240 | CRISSAIR INC | | 749831-101 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING BODY | | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | RUBBER SYNTHETIC PACKING | | 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 | 275.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | THREADED EXTERNAL TUBE 2ND END | | CONNECTION STYLE | FLARELESS 1ST END | | FLARELESS 2ND END | | SEAT ANGLE | 12.0 DEGREES 1ST END | | 12.0 DEGREES 2ND END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END | | 0.250 INCHES 2ND END | | THREAD SERIES DESIGNATOR | UNJF 1ST END | | UNJF 2ND END | | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END | | 0.438 INCHES 2ND END | | THREAD QUANTITY PER INCH | 18 1ST END | | 20 2ND END | | THREAD CLASS | 3A 1ST END | | 3A 2ND END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | RIGHT-HAND 2ND END | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL |
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