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National Stock Number:
4820-00-080-8053
Federal Supply Class:
4820
National Item Identification Number:
000808053
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:
| 2620-922X4ASSYGSC3IN | 63686 | THE WALWORTH COMPANY | | 2620-922X4ASSYGSC3IN | 96169 | ELECTRIC BOAT CORPORATION | | 2620-922X4ASSYGSC3INL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | MIL-V-22052L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | SS845-1889557ASSYGSC3IN | 80064 | NAVAL SHIP SYSTEMS COMMAND | | MIL-V-22052 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | SS845-1889557ASSYGSC3INL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | THREADED | | CONNECTION STYLE | BEVELED (PIPE) FIRST END | | CRITICALITY CODE JUSTIFICATION | ZZZY | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 775.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 3.000 INCHES FIRST END | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS | | RENEWABLE SEAT RING TYPE | PRESSED-IN | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | STRAIGHT THRU |
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