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Part Number

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

Definition:

A REPLACEABLE ITEM DESIGNED TO PROVIDE A STATIONARY SEATING SURFACE FOR A MATING, MOVEABLE ITEM SUCH AS A VALVE DISK OR THE LIKE. THE BODY MAY HAVE A FLANGE OF VARIOUS SHAPES. FOR DIESEL AND GASOLINE RECIPROCATING ENGINES, SEE INSERT, ENGINE VALVE SEAT.

CAGE Information

Code Company
14959 CRANE CO DIV VALVE DIV

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
CQKW BODY STEPPED INSIDE DIAMETER 3.000 INCHES NOMINAL SECOND STEP
CQJX NOMINAL THREAD SIZE 3.500 INCHES SINGLE THREADED PORTION
AJRM UNDER FLANGE HEIGHT 0.843 INCHES NOMINAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION STM A351,GR.CF-8M ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATT MATERIAL STEEL CORROSION RESISTING OVERALL
CQKW BODY STEPPED INSIDE DIAMETER 2.500 INCHES NOMINAL FIRST STEP
STYL STYLE DESIGNATOR THREADED FLANGED
ABKK FLANGE DIAMETER 3.913 INCHES NOMINAL
CQKM SEATING SURFACE SHAPE RADIAL
AJRF FLANGE SEAT TO DISK END HEIGHT 0.490 INCHES MINIMUM AND 0.708 INCHES MAXIMUM
AASA THREAD LENGTH 0.650 INCHES NOMINAL SINGLE THREADED PORTION

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