NSN 4820-00-842-0511

Part Details | VALVE SEAT

4820-00-842-0511 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: 439B877PC4, 439B877004, 439B877-004, 439B877, 439B877PC4, 4820-00-842-0511, 00-842-0511, 4820008420511, 008420511

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48DEC 23, 196600-842-051122113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-00-842-0511
Part Number Cage Code Manufacturer
439B877PC401289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
439B877-00401289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
439B87701289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
439B877PC430794LOWE CHARLES M CO THE
Technical Data | NSN 4820-00-842-0511
Characteristic Specifications
FLANGE DIAMETER4.751 INCHES NOMINAL
BODY OUTSIDE DIAMETER3.938 INCHES NOMINAL
BODY INSIDE DIAMETER3.236 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT1.260 INCHES NOMINAL
UNDER FLANGE HEIGHT1.685 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG50.000 NOMINAL