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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
80064 NAVAL SHIP SYSTEMS COMMAND

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
CBBL FEATURES PROVIDED BONNET PACKING
CBBL FEATURES PROVIDED BONNET PACKING
MEDA MEDIA FOR WHICH DESIGNED STEAM SINGLE RESPONSE
ADQU FLOW CONTROL DEVICE CONE
CWCQ BOLT HOLE NOMINAL DIAMETER 0.562 INCHES 1ST END
ADSR BONNET TYPE OUTSIDE SCREW-YOKE
CWCT BOLT CIRCLE NOMINAL DIAMETER 3.375 INCHES 1ST END
BBJX MOUNTING POSITION HORIZONTAL OR VERTICAL
CWDL RAISED FACE NOMINAL DIAMETER 2.500 INCHES 1ST END
CWCL FIRST CONNECTION FACE TO CENTERLINE DISTANCE 3.125 INCHES
STYL STYLE DESIGNATOR ANGLE FLANGED ENDS
MATT MATERIAL STEEL COMP 410 STEM
CWCR SECOND CONNECTION FACE TO CENTERLINE DISTANCE 3.125 INCHES
CCFG VALVE SIZE 1.250 INCHES
AQLR VALVE OPERATION METHOD MANUAL
AWLS CONNECTION TYPE FLANGE 1ST END
CWCK NOMINAL THICKNESS 0.438 INCHES 1ST END
CWDH RAISED FACE NOMINAL HEIGHT 0.062 INCHES 1ST END
AECS BOLT HOLE QUANTITY 4 1ST END
ZZZY REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY REPLY TO PAC AAQL,AND SIZE 1 1/4 IN.
ADST BONNET ATTACHMENT METHOD UNION
CWDF FLANGE FACE DESIGN RAISED STRAIGHT 1ST END
CQGM MAXIMUM OPERATING PRESSURE 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CWCD NOMINAL OUTSIDE DIAMETER 4.500 INCHES 1ST END
ARKN FLANGE SHAPE ROUND WITH HOLES 1ST END

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