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National Stock Number:
4820-01-397-5780
Federal Supply Class:
4820
National Item Identification Number:
013975780
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:
| 1828AS179 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | 1828AS179-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | VGB00059 | 59375 | RGI INC | | VGB00059HK | 59375 | RGI INC | | 232694 | 99657 | MAROTTA CONTROLS INC |
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Techincal Specification:
| BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | THREADED | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END | | CONNECTION STYLE | FLARED (TUBE) SECOND END | | CONNECTION TYPE | THREADED EXTERNAL BOSS FIRST END | | CONNECTION TYPE | THREADED EXTERNAL TUBE SECOND END | | CRITICALITY CODE JUSTIFICATION | FEAT | | OPERATING PRESSURE | 2640.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY BODY | | MAXIMUM OPERATING TEMP | 125.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS SINGLE RESPONSE | | MOUNTING POSITION | VERTICAL | | NOMINAL THREAD SIZE | 0.437 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.500 INCHES SECOND END | | SEAT ANGLE | 37.0 DEGREES ALL ENDS | | SPECIAL FEATURES | CLEAN AND PACKAGE FOR OXYGEN SERVICE PER ASTM G93 | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 3A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
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