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National Stock Number:
4820-00-080-8064
Federal Supply Class:
4820
National Item Identification Number:
000808064
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:
| 2620-902X10REVCASSYRF1-4IN | 63686 | THE WALWORTH COMPANY | | 2620-902X10REVCASSYRF1-4IN | 96169 | ELECTRIC BOAT CORPORATION | | 2620-902X10REVCASSYRF1-4INL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 2620-902X10REVCASSYRF1-4INLA | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | SS803-2177934-141 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SS803-2177934-141L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | THREADED | | CONNECTION STYLE | SOCKET (PIPE) 1ST END | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE 1ST END | | CRITICALITY CODE JUSTIFICATION | ZZZY | | FLOW CONTROL DEVICE | DISK | | MOUNTING POSITION | HORIZONTAL | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END | | MATERIAL | COPPER BODY | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL | NICKEL ALLOY STEM | | MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS | | RENEWABLE SEAT RING TYPE | THREADED | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | ANGLE |
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