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National Stock Number:
4820-00-901-2436
Federal Supply Class:
4820
National Item Identification Number:
009012436
Description:
VALVE,STOP-LIFT-CHECK
Detail:
A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO THREE 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. IN THE THIRD POSITION, THE VALVE DISK IS LIFTED FROM THE SEAT TO ALLOW A FLOW OF FLUID IN EITHER DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. SEE ALSO VALVE, LIFT-CHECK AND VALVE, STOP-CHECK.
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Manufacturer Information:
| 2620-902X10ASSYRCCL3-4IN | 63686 | THE WALWORTH COMPANY | | 2620-902X10ASSYRCCL3-4IN | 96169 | ELECTRIC BOAT CORPORATION | | 2620-902X10ASSYRCCL3-4INL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 803-2177934-C411 W/FL C0NTL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | SS845-2110254ASSYRCCL3-4IN | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177934-C411 W/FL C0NT | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SS845-2110254ASSYRCCL3-4INL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | INSIDE SCREW | | CRITICALITY CODE JUSTIFICATION | ZZZY | | DISK LOADING METHOD | WEIGHT | | FEATURES PROVIDED | BONNET PACKING | | FLOW CONTROL DEVICE | DISK | | MOUNTING POSITION | HORIZONTAL | | 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 |
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