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Part Number:
NSN:
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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
34623 AM GENERAL LLC

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
STYL STYLE DESIGNATOR ANGLE
STYL STYLE DESIGNATOR ANGLE
ADSR BONNET TYPE PACKING RETAINING
ZZZK SPECIFICATION/STANDARD DATA 11331-W-219C4 MANUFACTURERS SOURCE CONTROL
BBJX MOUNTING POSITION HORIZONTAL OR VERTICAL
THSD THREAD SERIES DESIGNATOR NPTF ALL ENDS
ADQU FLOW CONTROL DEVICE DISK
MATT MATERIAL ALUMINUM ALLOY OVERALL
AQLR VALVE OPERATION METHOD MANUAL
AAJF THREAD DIRECTION RIGHT-HAND ALL ENDS
AZGM MOUNTING FACILITY BRACKET
FEAT SPECIAL FEATURES VALVE STEM IS CAM LEVER ACTUATED MANUAL SPRING ASSIST OFF; EXHAUST PORT RELIEVES PRESSURE ON OUT PORT IN OFF POSITION
AWLS CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
ADSU DISK LOADING METHOD SPRING
AHNC CONNECTION STYLE PLAIN, OPTIONAL END (PIPE) ALL ENDS
CQJX NOMINAL THREAD SIZE 0.125 INCHES ALL ENDS

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