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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
30263 PIMA VALVE INC.

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
CCFG VALVE SIZE 2.500 INCHES
ARKN FLANGE SHAPE ROUND WITH HOLES ALL ENDS
BBJX MOUNTING POSITION VERTICAL
STYL STYLE DESIGNATOR STRAIGHT THRU FLANGED ENDS
ADQU FLOW CONTROL DEVICE DISK
CWCD NOMINAL OUTSIDE DIAMETER 7.000 INCHES ALL ENDS
MATT MATERIAL COPPER ALLOY BODY
AQLR VALVE OPERATION METHOD MANUAL
CWCQ BOLT HOLE NOMINAL DIAMETER 0.750 INCHES ALL ENDS
CWCT BOLT CIRCLE NOMINAL DIAMETER 5.500 INCHES ALL ENDS
AGAV END ITEM IDENTIFICATION STRATEGIC SEALIFT CONVERSION SHIPS CLASS
AECS BOLT HOLE QUANTITY 4 ALL ENDS
CWCK NOMINAL THICKNESS 0.562 INCHES ALL ENDS

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