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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:
| MATERIAL | COPPER ALLOY OVERALL | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | DISK | | VALVE OPERATION METHOD | AUTOMATIC | | 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 1ST END | | NPT 2ND END | | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END | | 1.000 INCHES 2ND END | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | RIGHT-HAND 2ND END | | MOUNTING POSITION | HORIZONTAL | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | THREADED | | DISK LOADING METHOD | SPRING |
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