NSN 4820-00-394-7427

Part Details | VALVE SEAT

4820-00-394-7427 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: P639A, P-639A, 4820-00-394-7427, 00-394-7427, 4820003947427, 003947427

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-394-742722113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-394-7427
Part Number Cage Code Manufacturer
P-639A70667ATLAS VALVE CO
Technical Data | NSN 4820-00-394-7427
Characteristic Specifications
STYLE DESIGNATORA THREADED FLANGED
FLANGE DIAMETER5.125 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.250 INCHES NOMINAL
UNDER FLANGE HEIGHT0.562 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT