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National Stock Number:
4820-01-497-6998
Federal Supply Class:
4820
National Item Identification Number:
014976998
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:
| 4384536 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 4384536-54A2 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 4384536-54A2AF | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-4384536-54A2AF | 53711 | NAVAL SEA SYSTEMS COMMAND | | 4384536-54AXAF | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | UNION | | FEATURES PROVIDED | BONNET PACKING AND VALVE STEM LOCK SHIELD | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | STEAM SECOND RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | STYLE DESIGNATOR | ANGLE | | SPECIAL FEATURES | THIS VALVE IS ASBESTOS FREE, SUPPLIED WITHOUT UNION NUTS, TAILPIECES IAW 803-7063850 UNLESS SPECIFIED. MEETS TYPE I VIBRATION REQUIREMENTS OF MIL-STD-167 BY NAVSEA LTR. SER. 08M/90-08796 DATED 10/3/90; MEETS SHOCK REQUIREMENTS OF MIL-S-901D, INTERIM CHANGE 1 FOR LIGHTWEIGHT EQUIPMENT, GRADE 1, CLASS I,TYPE A, HULL/FRAME MOUNTED BY NAVSEA LET. SER. 08M/97-08748 DATED 8/28/97 | | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
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