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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
16712 SIEMENS DEMAG DELAVAL TURBOMACHINERY

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
ADAS BODY INSIDE DIAMETER 1.500 INCHES NOMINAL
AJSH SEAL ACCOMMODATION TYPE GROOVED
ADAR BODY OUTSIDE DIAMETER 1.989 INCHES MINIMUM AND 1.990 INCHES MAXIMUM
AJFZ SEAT RADIUS 0.209 INCHES MINIMUM AND 0.213 INCHES MAXIMUM
ABQB TAPER MAJOR DIAMETER 0.791 INCHES NOMINAL
ABND TAPER LENGTH 1.303 INCHES NOMINAL
ABQA TAPER MINOR DIAMETER 0.562 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
CQKM SEATING SURFACE SHAPE RADIAL
AJRF FLANGE SEAT TO DISK END HEIGHT 0.750 INCHES NOMINAL
STYL STYLE DESIGNATOR PLAIN FLANGED
ABKK FLANGE DIAMETER 2.499 INCHES MINIMUM AND 2.500 INCHES MAXIMUM
AJRM UNDER FLANGE HEIGHT 1.250 INCHES NOMINAL

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