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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:
| MATERIAL | NICKEL ALLOY STEM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A494. GR. M30C ASSN STD SINGLE MATERIAL RESPONSE SEAT | | STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE SIZE | 2.500 INCHES | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES | | FLOW CONTROL DEVICE | DISK | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 6.125 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.500 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 6 ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 5.000 INCHES ALL ENDS | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | BOLTED | | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | ANGLE STOP CHECK VALVE |
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