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Part Number

Part Number:
NSN:
NIIN:
Item Name:
VALVE , CHECK

Definition:

A VALVE PERMITTING FLOW IN ONE DIRECTION ONLY. IT DOES NOT HAVE A STEM, EXCEPT WHEN EQUIPPED WITH A LEVER AND WEIGHT AND HAS NO PRESSURE ADJUSTMENT. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN.

CAGE Information

Code Company
18355 BOEING COMPANY THE DBA BOEING DIV DE

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
AAJD THREAD CLASS 3A ALL ENDS
THSD THREAD SERIES DESIGNATOR UNF ALL ENDS
AQLR VALVE OPERATION METHOD AUTOMATIC
STYL STYLE DESIGNATOR STRAIGHT THRU
BBJX MOUNTING POSITION HORIZONTAL OR VERTICAL
ADZH RENEWABLE SEAT RING TYPE THREADED
AWLS CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
MATT MATERIAL ALUMINUM ALLOY OVERALL
CQGM MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
AHNC CONNECTION STYLE FLARED (TUBE) ALL ENDS
AAJF THREAD DIRECTION RIGHT-HAND ALL ENDS
CQJX NOMINAL THREAD SIZE 0.750 INCHES ALL ENDS
MEDA MEDIA FOR WHICH DESIGNED FUEL/OIL, HYDROCARBON SINGLE RESPONSE
ADQU FLOW CONTROL DEVICE POPPET
ADSU DISK LOADING METHOD SPRING
CQRB SEAT ANGLE 37.0 DEGREES ALL ENDS
AEHZ MAXIMUM OPERATING TEMP 275.0 DEG FAHRENHEIT SINGLE RESPONSE

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