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National Stock Number:
4820-00-585-2607
Federal Supply Class:
4820
National Item Identification Number:
005852607
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:
| 13289 | 85578 | MARK CONTROLS CORP PACIFIC VALVES DIV | | 7814-00AND7815-00 | 85578 | MARK CONTROLS CORP PACIFIC VALVES DIV | | 7814-00X781500 | 85578 | MARK CONTROLS CORP PACIFIC VALVES DIV |
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Techincal Specification:
| BONNET TYPE | OUTSIDE SCREW-YOKE | | CRITICALITY CODE JUSTIFICATION | ZZZY | | MOUNTING POSITION | HORIZONTAL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS | | STYLE DESIGNATOR | STRAIGHT THRU |
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