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National Stock Number:
4820-00-851-1850
Federal Supply Class:
4820
National Item Identification Number:
008511850
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:
| 32-72009-39 | 76301 | THE BOEING COMPANY | | 8R7644-39 | 26044 | SAF INDUSTRIES LLC |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING BODY | | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | RUBBER SYNTHETIC PACKING | | STYLE DESIGNATOR | STRAIGHT THRU | | APERTURE DIAMETER | 0.021 INCHES NOMINAL | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | SEAT ANGLE | 37.0 DEGREES 1ST END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | NOMINAL THREAD SIZE | 0.437 INCHES 1ST END | | THREAD QUANTITY PER INCH | 20 1ST END | | THREAD CLASS | 3A 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | MOUNTING POSITION | HORIZONTAL | | SPECIAL FEATURES | 2.250 IN. OVER-ALL LG,0.688 IN. ACROSS FLATS |
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