NSN 4820-00-690-0345

Part Details | VALVE SEAT

4820-00-690-0345 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: 717085, 52ND6602, 900068, 52ND6602, ND6626PC52, 700302, B2364, 717085, 717085, 4820-00-690-0345, 00-690-0345, 4820006900345, 006900345

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-690-034522113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-00-690-0345
Part Number Cage Code Manufacturer
71708582328DRESSER RAND CO TERRY CORP STEAMTURBINE MOTOR AND GENERATOR CO A
52ND660282328DRESSER RAND CO TERRY CORP STEAMTURBINE MOTOR AND GENERATOR CO A
9000680DKH2EVANS LEE INC
52ND660283238GEM-DANDY INC
ND6626PC5283238GEM-DANDY INC
7003020B5H6NIANTIC TOOL, INC.
B23640B5H6NIANTIC TOOL, INC.
7170850BR59SIEMENS GOVERNMENT TECHNOLOGIES,INC.
71708593235TURBODYNEDIV OF DRESSER INDUSTRIES INC
Technical Data | NSN 4820-00-690-0345
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.876 INCHES MINIMUM AND 1.877 INCHES MAXIMUM
BODY INSIDE DIAMETER1.124 INCHES MINIMUM AND 1.126 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.375 INCHES NOMINAL
UNDER FLANGE HEIGHT0.250 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG25.000 NOMINAL