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National Stock Number:
4820-01-113-8851
Federal Supply Class:
4820
National Item Identification Number:
011138851
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:
| SS845-2110230ASSYRE1 2IN | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SS845-2110230ASSYRE1 2INSS | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| BONNET TYPE | INSIDE SCREW | | CONNECTION TYPE | THREADED INTERNAL PIPE FIRST END | | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) FIRST END | | FACE TO FACE DISTANCE | 5.875 INCHES | | OPERATING PRESSURE | 1050.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY OVERALL | | MEDIA FOR WHICH DESIGNED | WATER, SALT SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUB SAFE ITEMS | | VALVE SIZE | 2.000 INCHES | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | SUPPLEMENTARY FEATURES | FLOW CONTROL DEVICE: STEM |
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