NSN 4820-00-794-2776

Part Details | VALVE SEAT

4820-00-794-2776 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: 439B750PC4, 356C6904, 356C690-4, 439B750PC4, 356C6904, 356C690-4, 4820-00-794-2776, 00-794-2776, 4820007942776, 007942776

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196000-794-277622113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-00-794-2776
Part Number Cage Code Manufacturer
439B750PC424446GENERAL ELECTRIC COMPANY
356C690-424446GENERAL ELECTRIC COMPANY
439B750PC401289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
356C690-401289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
Technical Data | NSN 4820-00-794-2776
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER6.750 INCHES MINIMUM AND 6.751 INCHES MAXIMUM
BODY OUTSIDE DIAMETER5.562 INCHES NOMINAL
BODY INSIDE DIAMETER4.295 INCHES MINIMUM AND 4.297 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.938 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
UNDER FLANGE HEIGHT2.000 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS1.500 INCHES NOMINAL