NSN 4820-00-016-0252

Part Details | VALVE SEAT

4820-00-016-0252 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: 20618640, 206-18-640, 4820-00-016-0252, 00-016-0252, 4820000160252, 000160252

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196100-016-025222113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-016-0252
Part Number Cage Code Manufacturer
206-18-64004613PENTAIR VALVES & CONTROLS US LPDIV PENTAIR FLOW CONTROL
Technical Data | NSN 4820-00-016-0252
Characteristic Specifications
STYLE DESIGNATOR0 THREADED FLANGED
FLANGE DIAMETER20.437 INCHES NOMINAL
BODY OUTSIDE DIAMETER20.437 INCHES NOMINAL
BODY INSIDE DIAMETER18.062 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.593 INCHES NOMINAL
UNDER FLANGE HEIGHT2.562 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT