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National Stock Number:
4820-00-491-7958
Federal Supply Class:
4820
National Item Identification Number:
004917958
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:
| 803-2177525-C331 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-2177525-C331 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177525-C331AFL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 803-2177525-C331L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 803-2177525-C3C1AF | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177525-C331AF | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177525-C3C1AFL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION STYLE | SOCKET (PIPE) 1ST END | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE 1ST END | | CRITICALITY CODE JUSTIFICATION | ZZZY | | DISK LOADING METHOD | WEIGHT | | FEATURES PROVIDED | BONNET PACKING | | FLOW CONTROL DEVICE | DISK | | MATERIAL | STEEL BODY | | MAXIMUM OPERATING TEMP | 775.0 FAHRENHEIT SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 1ST END | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS | | STYLE DESIGNATOR | STRAIGHT THRU | | TEST DATA DOCUMENT | 80064-810-2177525 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) | | VALVE OPERATION METHOD | MANUAL |
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