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National Stock Number:
4820-01-524-9123
Federal Supply Class:
4820
National Item Identification Number:
015249123
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:
| 1385541 REV J | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385541-024AF | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 6 ALL ENDS | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BOLT CIRCLE NOMINAL DIAMETER | 5.000 INCHES ALL ENDS | | CONNECTION TYPE | FLANGE ALL ENDS | | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | FLOW CONTROL DEVICE | DISK | | PART NAME ASSIGNED BY CONTROLLING AGENCY | ANGLE STOP CHECK VALVE | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A494. GR. -30C ASSN STD SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | NICKEL ALLOY STEM | | NOMINAL OUTSIDE DIAMETER | 6.125 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.500 INCHES ALL ENDS | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES | | VALVE SIZE | 2.500 INCHES | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | ANGLE FLANGED ENDS |
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