4820-00-146-9349, VALVE,STOP-CHECK

National Stock Number:
4820-00-146-9349

Federal Supply Class:
4820

National Item Identification Number:
001469349

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.

Manufacturer Information:

803-2177934-C531	53711	NAVAL SEA SYSTEMS COMMAND
803-2177934-C531AF	80064	NAVAL SHIP SYSTEMS COMMAND
803-2177934-C531AFL1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-2177934-C531L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-2177934-C531LI	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
810-2177934-531	80064	NAVAL SHIP SYSTEMS COMMAND
810-2177934-531L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG

Techincal Specification:

BONNET TYPE	INSIDE SCREW
BONNET ATTACHMENT METHOD	UNION
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	COPPER ALLOY 844 BODY
MATERIAL	NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OR NICKEL ALLOY SEAT
MATERIAL	NICKEL ALLOY 400 OR NICKEL ALLOY R-405 STEM
MAXIMUM OPERATING PRESSURE	700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	180.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED	WATER-OIL-GAS SINGLE RESPONSE
MOUNTING POSITION	HORIZONTAL
NOMINAL PIPE SIZE ACCOMMODATED	1.000 INCHES 1ST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
RENEWABLE SEAT RING TYPE	THREADED
VALVE OPERATION METHOD	MANUAL
STYLE DESIGNATOR	STRAIGHT THRU

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