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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
80318 BTR VALVE SEALANTS 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
CBBL FEATURES PROVIDED BONNET PACKING
MDCL MATERIAL DOCUMENT AND CLASSIFICATION ASTM A105, GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY
ADSR BONNET TYPE OUTSIDE SCREW-YOKE
ZZZY REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY SIZE 3/4 IN.
MATT MATERIAL STEEL COMP 410 SEAT
AHNC CONNECTION STYLE SOCKET (PIPE) ALL ENDS
BBJX MOUNTING POSITION HORIZONTAL OR VERTICAL
ADZH RENEWABLE SEAT RING TYPE THREADED
ADQU FLOW CONTROL DEVICE DISK
MDCL MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD 1ST MATERIAL RESPONSE SEAT AND MIL-R-COCR-A,MIL-R-17131 MIL SPEC 2ND MATERIAL RESPONSE SEAT
STYL STYLE DESIGNATOR STRAIGHT THRU Y-PATTERN
AQLR VALVE OPERATION METHOD MANUAL
CQGM MAXIMUM OPERATING PRESSURE 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MATT MATERIAL STEEL BODY
AAAR NOMINAL PIPE SIZE ACCOMMODATED 0.750 INCHES ALL ENDS
ADSU DISK LOADING METHOD SPRING
MATT MATERIAL STEEL COMP 416 STEM
AWLS CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
ADST BONNET ATTACHMENT METHOD UNION
MATT MATERIAL STEEL COMP 410 FLOW CONTROL DEVICE AND STEEL FLOW CONTROL DEVICE
MDCL MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE AND MIL-R-17131,MIL-RCOCR-A MIL SPEC 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE

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