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National Stock Number:
4820-01-255-3388
Federal Supply Class:
4820
National Item Identification Number:
012553388
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:
| 803-2177934 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177934-C331 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OVERALL | | STYLE DESIGNATOR | STRAIGHT THRU | | VALVE SIZE | 0.750 INCHES | | FLOW CONTROL DEVICE | DISK | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | 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 | 80064 | | DESIGN CONTROL REFERENCE | 803-2177934-C331 |
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