NSN 4820-00-021-1395

Part Details | VALVE SEAT

4820-00-021-1395 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: 10231017596, 10231-017-596, 4820-00-021-1395, 00-021-1395, 4820000211395, 000211395

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48APR 27, 196700-021-139522113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

SEAT,VALVE | 4820-00-021-1395, 000211395
Cross Reference | NSN 4820-00-021-1395
Part Number Cage Code Manufacturer
10231-017-59638683DRESSER INDUSTRIES INCMASONEILAN NORTH AMERICAN OPNS
Technical Data | NSN 4820-00-021-1395
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER1.811 INCHES MINIMUM AND 1.812 INCHES MAXIMUM
BODY INSIDE DIAMETER1.062 INCHES MINIMUM AND 1.063 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.437 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG60.000 NOMINAL