NSN 4820-00-776-7989

Part Details | VALVE SEAT

4820-00-776-7989 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: 6760337, 7767989, 4820-00-776-7989, 00-776-7989, 4820007767989, 007767989

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196200-776-798922113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-00-776-7989
Part Number Cage Code Manufacturer
676033773342ALLISON TRANSMISSION, INC.
776798919207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 4820-00-776-7989
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER2.000 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.625 INCHES NOMINAL
BODY INSIDE DIAMETER1.125 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.250 INCHES NOMINAL
UNDER FLANGE HEIGHT0.609 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG30.000 NOMINAL