NSN 4820-00-923-6852

Part Details | VALVE SEAT

4820-00-923-6852 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: 894B432PC2, 4820-00-923-6852, 00-923-6852, 4820009236852, 009236852

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 20, 196600-923-685222113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-923-6852
Part Number Cage Code Manufacturer
894B432PC201289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
Technical Data | NSN 4820-00-923-6852
Characteristic Specifications
STYLE DESIGNATOR4 THREADED FLANGED
FLANGE DIAMETER4.125 INCHES MINIMUM AND 4.126 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.000 INCHES NOMINAL
BODY INSIDE DIAMETER1.708 INCHES MINIMUM AND 1.718 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 RADIUS0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
TAPER MINOR DIAMETER1.708 INCHES MINIMUM AND 1.718 INCHES MAXIMUM