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National Stock Number:
4820-00-098-2116
Federal Supply Class:
4820
National Item Identification Number:
000982116
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:
| 159480-3 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 96295-1 | 26044 | SAF INDUSTRIES LLC | | 96295-1 | 26344 | NEW HAVEN MFG CORP |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY BODY | | STEEL FLOW CONTROL DEVICE | | STEEL SEAT | | STEEL STEM | | STYLE DESIGNATOR | STRAIGHT THRU W/OFFSET | | OFFSET DISTANCE | 0.515 INCHES | | FLOW CONTROL DEVICE | BALL | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | -65.0 DEG FAHRENHEIT 1ST RESPONSE | | 160.0 DEG FAHRENHEIT 2ND RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 0.437 INCHES ALL ENDS | | THREAD CLASS | 3B ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | BONNET TYPE | PACKING RETAINING | | DISK LOADING METHOD | SPRING | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 26044 | | DESIGN CONTROL REFERENCE | 96295-1 |
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