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National Stock Number:
4820-00-187-6701
Federal Supply Class:
4820
National Item Identification Number:
001876701
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:
| 23720-3 | 19156 | MOOG INC | | 23720-3 | 79294 | E-SYSTEMS INC MONTEK DIV FLUID CONTROLS OPNS | | 23720-3 | 94697 | MOOG INC |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | FLANGE 1ST END | | CRITICALITY CODE JUSTIFICATION | ZZZY | | FEATURES PROVIDED | BONNET PACKING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | NICKEL ALLOY 400 BODY | | MATERIAL | NICKEL ALLOY 400 STEM | | MOUNTING POSITION | VERTICAL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 11.250 INCHES | | STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | MANUAL |
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