NSN 4820-00-571-3718

Part Details | VALVE SEAT

4820-00-571-3718 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: 894B361PC2, 4820-00-571-3718, 00-571-3718, 4820005713718, 005713718

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 17, 196800-571-371822113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-00-571-3718
Part Number Cage Code Manufacturer
894B361PC201289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
Technical Data | NSN 4820-00-571-3718
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER4.955 INCHES MINIMUM AND 4.956 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.680 INCHES NOMINAL
BODY INSIDE DIAMETER2.578 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT1.060 INCHES NOMINAL
UNDER FLANGE HEIGHT1.320 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.180 INCHES NOMINAL