NSN 4820-00-586-3920

Part Details | VALVE SEAT

4820-00-586-3920 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: C89439EPCALLNICU, C8943-9EPCALLNICU, 4820-00-586-3920, 00-586-3920, 4820005863920, 005863920

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-586-392022113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-586-3920
Part Number Cage Code Manufacturer
C8943-9EPCALLNICU63686THE WALWORTH COMPANY
Technical Data | NSN 4820-00-586-3920
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER0.934 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
BODY INSIDE DIAMETER0.422 INCHES MINIMUM AND 0.426 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.119 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.316 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG15.000 NOMINAL
TAPER MINOR DIAMETER0.469 INCHES MINIMUM AND 0.473 INCHES MAXIMUM
TAPER MAJOR DIAMETER0.547 INCHES MINIMUM AND 0.551 INCHES MAXIMUM
SPECIAL FEATURES1 SEAT RING