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National Stock Number:
4820-00-066-7488
Federal Supply Class:
4820
National Item Identification Number:
000667488
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:
| 215-21333-1 | 80378 | TRIUMPH AEROSTRUCTURES, LLC | | HP958100-1 | 70236 | TACTAIR FLUID CONTROLS INC | | HP958100-1 | 84685 | TELEDYNE HYDRA-POWER DIV OF TELEDYNE INC |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY BODY | | ALUMINUM ALLOY FLOW CONTROL DEVICE | | ALUMINUM ALLOY SEAT | | ALUMINUM ALLOY STEM | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | -65.0 DEG FAHRENHEIT 1ST RESPONSE | | 160.0 DEG FAHRENHEIT 2ND RESPONSE | | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | FLARED (TUBE) ALL ENDS | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS | | NOMINAL THREAD SIZE | 0.437 INCHES ALL ENDS | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | VERTICAL | | RENEWABLE SEAT RING TYPE | PRESSED-IN | | BONNET TYPE | PACKING RETAINING | | DISK LOADING METHOD | SPRING | | MOUNTING FACILITY | THREADED FASTENER | | SUPPLEMENTARY FEATURES | VALVE OPERATION METHOD: AIR |
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