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National Stock Number:
4820-00-346-2703
Federal Supply Class:
4820
National Item Identification Number:
003462703
Description:
VALVE,STOP-CHECK
Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.
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Manufacturer Information:
| 6700969035 | 80049 | DEPARTMENT OF THE AIR FORCE |
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Techincal Specification:
| BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | THREADED | | CONNECTION TYPE | THREADED EXTERNAL PIPE SECOND END | | CONNECTION TYPE | THREADED INTERNAL PIPE FIRST END | | CONNECTION STYLE | PLAIN (PIPE) SECOND END | | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) FIRST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY OVERALL | | MOUNTING POSITION | HORIZONTAL | | NOMINAL THREAD SIZE | 1.000 INCHES SECOND END | | NOMINAL THREAD SIZE | 0.750 INCHES FIRST END | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD DIRECTION | RIGHT-HAND SECOND END | | THREAD SERIES DESIGNATOR | NPT FIRST END | | THREAD SERIES DESIGNATOR | NPT SECOND END | | VALVE OPERATION METHOD | AUTOMATIC |
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