NSN 4820-00-923-6853

Part Details | VALVE SEAT

4820-00-923-6853 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: 894B432PC3, 4820-00-923-6853, 00-923-6853, 4820009236853, 009236853

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 20, 196600-923-685322113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-923-6853
Part Number Cage Code Manufacturer
894B432PC301289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
Technical Data | NSN 4820-00-923-6853
Characteristic Specifications
STYLE DESIGNATOR4 THREADED FLANGED
FLANGE DIAMETER4.937 INCHES MINIMUM AND 4.938 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.820 INCHES NOMINAL
BODY INSIDE DIAMETER2.042 INCHES MINIMUM AND 2.052 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT1.625 INCHES MINIMUM AND 1.627 INCHES MAXIMUM
UNDER FLANGE HEIGHT1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.707 INCHES MINIMUM AND 0.717 INCHES MAXIMUM
TAPER MINOR DIAMETER2.042 INCHES MINIMUM AND 2.052 INCHES MAXIMUM