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National Stock Number:
4820-01-536-2066
Federal Supply Class:
4820
National Item Identification Number:
015362066
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:
| 803-4384536 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-4384536-34B1AF | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | THREADED | | BONNET TYPE | INSIDE SCREW | | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | ANGLE STOP CHECK VALVE 1/2" | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 NATIONAL SPEC SINGLE MATERIAL RESPONSE BODY | | MATERIAL | COPPER ALLOY BODY | | MEDIA FOR WHICH DESIGNED | AIR 3RD RESPONSE | | MEDIA FOR WHICH DESIGNED | STEAM 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS 2ND RESPONSE | | SPECIAL FEATURES | NONMETALLIC DISC SEATING SURFACE; NITRILE BONNET O-RING MATERIAL; ASBESTOS FREE VALVE; END CONNECTIONS MALE THREADED FOR UNIONS | | STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 0.500 INCHES |
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