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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:
| BONNET TYPE | PACKING RETAINING | | CONNECTION STYLE | FLARED (TUBE) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | ALUMINUM ALLOY FLOW CONTROL DEVICE | | MATERIAL | ALUMINUM ALLOY SEAT | | MATERIAL | ALUMINUM ALLOY STEM | | MAXIMUM OPERATING PRESSURE | 5000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | -65.0 FAHRENHEIT 1ST RESPONSE | | MAXIMUM OPERATING TEMP | 160.0 FAHRENHEIT 2ND RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | MOUNTING FACILITY | THREADED FASTENER | | MOUNTING POSITION | VERTICAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES ALL ENDS | | NOMINAL THREAD SIZE | 0.437 INCHES ALL ENDS | | RENEWABLE SEAT RING TYPE | PRESSED-IN | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | STYLE DESIGNATOR | STRAIGHT THRU | | SUPPLEMENTARY FEATURES | VALVE OPERATION METHOD: AIR | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
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