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National Stock Number:
4820-00-069-0020
Federal Supply Class:
4820
National Item Identification Number:
000690020
Description:
VALVE,SEATLESS
Detail:
A VALVE THAT CONTROLS FLOW BY A CYLINDRICAL PISTON SLIDING VERTICALLY THROUGH PACKING RINGS SEPARATED BY A METAL CAGE HAVING PORTS THROUGH WHICH FLOW MAY PROCEED WHEN THE VALVE IS OPEN. ROTATION OF THE THREADED STEM IS USED TO REGULATE THE POSITION OF THE PISTON. SEE ALSO VALVE, PLUG AND VALVE, WEIGHTED CONTROL, PISTON.
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Manufacturer Information:
| 40MP135 | 10119 | HARTFORD COMPRESSORS INC DBA FOREIGN PARENT IS DUNHAM-BUSH INTERNATIONAL CAYMAN LTD G | | A13502 | 41947 | MUELLER BRASS | | EP23NC090 | 10855 | CARRIER CORP | | EP23NC090-10855 | 19422 | DEMARKUS CORP REFRIGERATION ENGINEERING CORP | | AEX303E | 78830 | TROPIC-AIRE CARRIER DIVISION OF MC GRAW-EDISON CO | | MRG86170 | 90598 | ENGINEERED AIR SYSTEMS INC. DBA DRS SUSTAINMENT SYSTEMS |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | STYLE DESIGNATOR | ANGLE | | FLOW CONTROL DEVICE | PISTON | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END | | THREADED EXTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END | | PLAIN (PIPE) 2ND END | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | STEM TYPE | RISING | | BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | INTEGRAL | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND | | BONNET PACKING |
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