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National Stock Number: 4820-01-571-5503
Federal Supply Class: 4820
National Item Identification Number: 015715503
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:
| MV820SXB092 | 56529 | HYDRAULICS INTERNATIONAL, INC. |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | OPERATING PRESSURE | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | STEEL COMP 416 SEAT | | MATERIAL | ZINC ALLOY FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | 121.0 CELSIUS SINGLE RESPONSE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE SHUT OFF RETURN | | SPECIAL FEATURES | OPERATING TEMP; MINUS 40 DEGREES F TO PLUS 250 DEGREES F; .750 THREAD LENGTH 16 PER INCH; UNF SERIES | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | STRAIGHT THRU |
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