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National Stock Number:
4820-01-128-5803
Federal Supply Class:
4820
National Item Identification Number:
011285803
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:
| 803-2177934 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177934-B546 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177934-B546AF | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | UNION | | BONNET TYPE | INSIDE SCREW | | CONNECTION TYPE | UNTHREADED INTERNAL TUBE ALL ENDS | | CONNECTION STYLE | SOCKET (TUBE) ALL ENDS | | DISK LOADING METHOD | SPRING | | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL | | FLOW CONTROL DEVICE | DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-C-15726,COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE PACKING | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.000 INCHES ALL ENDS | | RENEWABLE SEAT RING TYPE | THREADED | | STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | MANUAL |
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