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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
AWLS CONNECTION TYPE FLANGE ALL ENDS
AWLS CONNECTION TYPE FLANGE ALL ENDS
CCFG VALVE SIZE 2.500 INCHES
ADSR BONNET TYPE OUTSIDE SCREW-YOKE
FEAT SPECIAL FEATURES VALVE SIZE 2.500 IN.
AEHZ MAXIMUM OPERATING TEMP 425.0 DEG FAHRENHEIT SINGLE RESPONSE
ARKN FLANGE SHAPE ROUND WITH HOLES ALL ENDS
BBJX MOUNTING POSITION HORIZONTAL
CWCF FACE TO FACE DISTANCE 9.000 INCHES
CWCQ BOLT HOLE NOMINAL DIAMETER 0.562 INCHES ALL ENDS
ADST BONNET ATTACHMENT METHOD BOLTED
CWDF FLANGE FACE DESIGN PLAIN ALL ENDS
ADZH RENEWABLE SEAT RING TYPE THREADED
STYL STYLE DESIGNATOR STRAIGHT THRU FLANGED ENDS
ADQU FLOW CONTROL DEVICE DISK
MATT MATERIAL NICKEL ALLOY FLOW CONTROL DEVICE
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
CWCD NOMINAL OUTSIDE DIAMETER 6.125 INCHES ALL ENDS
AQLR VALVE OPERATION METHOD MANUAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-288,COMP B FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATT MATERIAL NICKEL ALLOY SEAT
AECS BOLT HOLE QUANTITY 6 ALL ENDS
TEST TEST DATA DOCUMENT 03950-CID882032969 SPECIFICATION AND 80064-5000-S4824-C1385541 DRAWING
CWCT BOLT CIRCLE NOMINAL DIAMETER 5.000 INCHES ALL ENDS
CQGM MAXIMUM OPERATING PRESSURE 100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MATT MATERIAL NICKEL ALLOY STEM
MEDA MEDIA FOR WHICH DESIGNED WATER-OIL-GAS SINGLE RESPONSE
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-288, COMP B FED SPEC SINGLE MATERIAL RESPONSE STEM
MATT MATERIAL COPPER ALLOY 922 BODY
CWCK NOMINAL THICKNESS 0.500 INCHES ALL ENDS

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