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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:
| MATERIAL | NICKEL ALLOY 400 BODY | | NICKEL ALLOY 400 STEM | | STYLE DESIGNATOR | ANGLE | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 11.250 INCHES | | FLOW CONTROL DEVICE | POPPET | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | FLANGE 1ST END | | MOUNTING POSITION | VERTICAL | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | BOLTED | | FEATURES PROVIDED | BONNET PACKING | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | CRITICALITY CODE JUSTIFICATION | ZZZY | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 94697 | | DESIGN CONTROL REFERENCE | 23720-3 |
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