NSN 4820-00-678-6390

Part Details | VALVE SEAT

4820-00-678-6390 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.

Alternate Parts: 912A1556, 717038, A1556PC912, A1556, A-1556, 912A1556, 717038, A1556PC912, A1556, A-1556, 4820-00-678-6390, 00-678-6390, 4820006786390, 006786390

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48DEC 07, 196500-678-639022113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-678-6390
Part Number Cage Code Manufacturer
912A155682328DRESSER RAND CO TERRY CORP STEAMTURBINE MOTOR AND GENERATOR CO A
71703882328DRESSER RAND CO TERRY CORP STEAMTURBINE MOTOR AND GENERATOR CO A
A1556PC91282328DRESSER RAND CO TERRY CORP STEAMTURBINE MOTOR AND GENERATOR CO A
A-155682328DRESSER RAND CO TERRY CORP STEAMTURBINE MOTOR AND GENERATOR CO A
912A15560BR59SIEMENS GOVERNMENT TECHNOLOGIES,INC.
7170380BR59SIEMENS GOVERNMENT TECHNOLOGIES,INC.
A1556PC9120BR59SIEMENS GOVERNMENT TECHNOLOGIES,INC.
A-15560BR59SIEMENS GOVERNMENT TECHNOLOGIES,INC.
Technical Data | NSN 4820-00-678-6390
Characteristic Specifications
STYLE DESIGNATOR4 THREADED FLANGED
FLANGE DIAMETER2.375 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.000 INCHES NOMINAL
BODY INSIDE DIAMETER0.188 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT1.250 INCHES NOMINAL
UNDER FLANGE HEIGHT0.500 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL