NSN 4820-00-860-0714

Part Details | VALVE SEAT

4820-00-860-0714 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: 870B3243, 870B324-3, 870B324PIECE3, 870B3243, 870B324-3, 428B94711, 428B947-11, 4820-00-860-0714, 00-860-0714, 4820008600714, 008600714

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196200-860-071422113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-860-0714
Part Number Cage Code Manufacturer
870B324-381893GENERAL ELECTRIC COLYNN RIVER WORKS
870B324PIECE301289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
870B324-301289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
428B947-1101289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
Technical Data | NSN 4820-00-860-0714
Characteristic Specifications
STYLE DESIGNATOR4 THREADED FLANGED
FLANGE DIAMETER4.187 INCHES MINIMUM AND 4.188 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.120 INCHES NOMINAL
BODY INSIDE DIAMETER1.938 INCHES MINIMUM AND 1.948 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT1.625 INCHES MINIMUM AND 1.627 INCHES MAXIMUM
UNDER FLANGE HEIGHT1.875 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.667 INCHES MINIMUM AND 0.677 INCHES MAXIMUM