NSN 4820-01-176-8484

Part Details | VALVE SEAT

4820-01-176-8484 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: 429B255002, 429B255-002, 429B255, 4820-01-176-8484, 01-176-8484, 4820011768484, 011768484

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48APR 17, 198401-176-848422113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-176-8484
Part Number Cage Code Manufacturer
429B255-00201289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
429B25501289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
Technical Data | NSN 4820-01-176-8484
Characteristic Specifications
STYLE DESIGNATOR4 THREADED FLANGED
FLANGE DIAMETER12.000 INCHES MINIMUM AND 12.001 INCHES MAXIMUM
BODY OUTSIDE DIAMETER9.875 INCHES NOMINAL
BODY INSIDE DIAMETER8.170 INCHES MINIMUM AND 8.180 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT5.000 INCHES NOMINAL
UNDER FLANGE HEIGHT0.500 INCHES NOMINAL