NSN 4820-01-176-8487

Part Details | VALVE SEAT

4820-01-176-8487 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: 429B757002, 429B757-002, 429B757, 4820-01-176-8487, 01-176-8487, 4820011768487, 011768487

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48APR 17, 198401-176-848722113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-176-8487
Part Number Cage Code Manufacturer
429B757-00201289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
429B75701289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
Technical Data | NSN 4820-01-176-8487
Characteristic Specifications
STYLE DESIGNATOR4 THREADED FLANGED
FLANGE DIAMETER4.906 INCHES NOMINAL
BODY OUTSIDE DIAMETER4.906 INCHES NOMINAL
BODY INSIDE DIAMETER3.688 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT1.640 INCHES NOMINAL
UNDER FLANGE HEIGHT0.845 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT