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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
53711 NAVAL SEA 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 WATER, FRESH SINGLE RESPONSE
ADSR BONNET TYPE OUTSIDE SCREW-YOKE
STYL STYLE DESIGNATOR ANGLE
MATT MATERIAL COPPER ALLOY SEAT
ADST BONNET ATTACHMENT METHOD BOLTED
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-B-671, CLASS 4-CANCELLED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
BBJX MOUNTING POSITION HORIZONTAL OR VERTICAL
MATT MATERIAL COPPER ALLOY 955 FLOW CONTROL DEVICE
AEHZ MAXIMUM OPERATING TEMP 200.0 DEG FAHRENHEIT SINGLE RESPONSE
ADZH RENEWABLE SEAT RING TYPE THREADED
CQGM MAXIMUM OPERATING PRESSURE 500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
CMLP THREAD QUANTITY PER INCH 11-1/2 ALL ENDS
ADQU FLOW CONTROL DEVICE DISK
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
AQLR VALVE OPERATION METHOD MANUAL
AAJF THREAD DIRECTION RIGHT-HAND ALL ENDS
AWLS CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
ADSU DISK LOADING METHOD SPRING
AHNC CONNECTION STYLE PLAIN, OPTIONAL END (PIPE) ALL ENDS
THSD THREAD SERIES DESIGNATOR NPT ALL ENDS
CQJX NOMINAL THREAD SIZE 1.500 INCHES ALL ENDS
MATT MATERIAL COPPER ALLOY 922 BODY

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