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Part Number

Part Number:
NSN:
NIIN:
Item Name:
VALVE , STOP-CHECK

Definition:

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.

CAGE Information

Code Company
63686 THE WALWORTH COMPANY

Federal Supply Class

Title

VALVES, NONPOWERED

Inclusions:

INCLUDES AUTOMATIC NONPOWERED VALVES; GATE, GLOBE, ANGLE, CHECK, AND RELIEF VALVES; COCKS.

Exclusions:

EXCLUDES FIRE HYDRANTS (FSC 4210); SPRINKLER HEADS (FSC 4210); VALVES SPECIFICALLY DESIGNED FOR USE WITH FIRE FIGHTING EQUIPMENT (FSC 4210); PLUMBING EQUIPMENT, AND THE LIKE (FSC 4540).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AHNC CONNECTION STYLE SOCKET WITH BRAZING RING (PIPE) ALL ENDS
AHNC CONNECTION STYLE SOCKET WITH BRAZING RING (PIPE) ALL ENDS
CBBL FEATURES PROVIDED BONNET PACKING
ADSR BONNET TYPE INSIDE SCREW
MEDA MEDIA FOR WHICH DESIGNED WATER, FRESH SINGLE RESPONSE
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BODY
AAAR NOMINAL PIPE SIZE ACCOMMODATED 0.500 INCHES ALL ENDS
STYL STYLE DESIGNATOR STRAIGHT THRU
BBJX MOUNTING POSITION HORIZONTAL OR VERTICAL
ADZH RENEWABLE SEAT RING TYPE THREADED
ADQU FLOW CONTROL DEVICE DISK
MATT MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE
AQLR VALVE OPERATION METHOD MANUAL
CQGM MAXIMUM OPERATING PRESSURE 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MATT MATERIAL NICKEL ALLOY SEAT
AWLS CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
MATT MATERIAL NICKEL ALLOY STEM
ADST BONNET ATTACHMENT METHOD UNION
MATT MATERIAL COPPER ALLOY 922 BODY
FEAT SPECIAL FEATURES SILVER BRAZING RINGS NOT FURNISHED W/VALVE

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SC260WS1-2 , SC260WS12 , 4820-00-202-9866 , 4820002029866 , 002029866