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National Stock Number:
4820-00-943-1018
Federal Supply Class:
4820
National Item Identification Number:
009431018
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:
| 2620-902ASSYEH1-2IN | 63686 | THE WALWORTH COMPANY | | 2620-902ASSYEH1-2IN | 96169 | ELECTRIC BOAT CORPORATION | | 2620-902ASSYEH1-2INL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | SS845-1889587ASSYEH1-2INL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | SS845-1889587ASSYEH1-2IN | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
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