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National Stock Number:
4820-01-312-1839
Federal Supply Class:
4820
National Item Identification Number:
013121839
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:
| 6300514 | 53711 | NAVAL SEA SYSTEMS COMMAND | | FCLX0504450B | 92555 | THE LEE CO |
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Techincal Specification:
| MATERIAL | STEEL COMP 303 BODY | | STEEL COMP 303 FLOW CONTROL DEVICE | | STEEL COMP 303 SEAT | | STYLE DESIGNATOR | CROSS | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | PLAIN (TUBE) 2ND END | | PLAIN (TUBE) 3RD END | | SEAT ANGLE | 37.5 DEGREES 1ST END | | THREAD SERIES DESIGNATOR | UNF ALL ENDS | | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS | | THREAD CLASS | 2A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | FURNISHED ITEMS AND QUANTITY | 2 NUT |
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