NSN 4820-01-176-8485

Part Details | VALVE SEAT

4820-01-176-8485 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: 429B252002, 429B252-002, 429B252, 4820-01-176-8485, 01-176-8485, 4820011768485, 011768485

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48APR 17, 198401-176-848522113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-176-8485
Part Number Cage Code Manufacturer
429B252-00201289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
429B25201289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
Technical Data | NSN 4820-01-176-8485
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER12.250 INCHES MINIMUM AND 12.251 INCHES MAXIMUM
BODY OUTSIDE DIAMETER10.625 INCHES NOMINAL
BODY INSIDE DIAMETER8.170 INCHES MINIMUM AND 8.180 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT2.000 INCHES NOMINAL
UNDER FLANGE HEIGHT3.000 INCHES NOMINAL