4820-01-288-7179, VALVE,STOP-CHECK

National Stock Number:
4820-01-288-7179

Federal Supply Class:
4820

National Item Identification Number:
012887179

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:

803-2177525-C361	80064	NAVAL SHIP SYSTEMS COMMAND
803-2177525-C361L1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-2177525-C631AFL1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-2177525-C631AF	53711	NAVAL SEA SYSTEMS COMMAND
803-2177525-C631AF	80064	NAVAL SHIP SYSTEMS COMMAND
803-2177525-C6C1AF	80064	NAVAL SHIP SYSTEMS COMMAND
803-2177525-C6C1AFL1	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG

Techincal Specification:

BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	INSIDE SCREW
CONNECTION STYLE	SOCKET (PIPE) ALL ENDS
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
CRITICALITY CODE JUSTIFICATION	ZZZY
FURNISHED ITEMS AND QUANTITY	1 HANDWHEEL
FLOW CONTROL DEVICE	DISK
NOMINAL PIPE SIZE ACCOMMODATED	1.250 INCHES ALL ENDS
MATERIAL	STEEL BODY
MATERIAL	STEEL CORROSION RESISTING STEM
MATERIAL	STEEL FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE	900.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP	775.0 DEG FAHRENHEIT SINGLE RESPONSE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
VALVE OPERATION METHOD	MANUAL
STYLE DESIGNATOR	STRAIGHT THRU

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