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National Stock Number:
4820-01-260-7775
Federal Supply Class:
4820
National Item Identification Number:
012607775
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:
| 803-4384536-42A2(SPCLN) | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | THREADED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION STYLE | GASKET SEAL (PIPE) ALL ENDS | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | CRITICALITY CODE JUSTIFICATION | ZZZY | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY STEM | | MATERIAL | COPPER ALLOY BODY | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SPECIAL FEATURES | INSPECT PER MIL-I-45208; CLEAN PER MIL-STD-767 | | STYLE DESIGNATOR | STRAIGHT THRU |
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