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National Stock Number:
4820-01-204-9068
Federal Supply Class:
4820
National Item Identification Number:
012049068
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:
| 803-1385541 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385541-053 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 7.812 INCHES 1ST END | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BOLT HOLE NOMINAL DIAMETER | 0.688 INCHES 1ST END | | BOLT HOLE QUANTITY | 10 1ST END | | CONNECTION TYPE | FLANGE 1ST END | | CRITICALITY CODE JUSTIFICATION | ZZZY | | FLANGE FACE DESIGN | PLAIN 1ST END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY 922 BODY | | MATERIAL | NICKEL ALLOY 400 FLOW CONTROL DEVICE | | MOUNTING POSITION | VERTICAL | | NOMINAL OUTSIDE DIAMETER | 9.062 INCHES 1ST END | | NOMINAL THICKNESS | 0.562 INCHES 1ST END | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | RENEWABLE SEAT RING TYPE | THREADED | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 5.000 INCHES |
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