NSN 4820-01-156-8279

Part Details | VALVE SEAT

4820-01-156-8279 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: 80343845366XXX13, 803-4384536-6XXX-13, 8034384536, 803-4384536, 4820-01-156-8279, 01-156-8279, 4820011568279, 011568279

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUN 25, 198301-156-827922113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-156-8279
Part Number Cage Code Manufacturer
803-4384536-6XXX-1380064NAVAL SHIP SYSTEMS COMMAND
803-438453680064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4820-01-156-8279
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER1.734 INCHES NOMINAL
BODY INSIDE DIAMETER1.405 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.091 INCHES NOMINAL
UNDER FLANGE HEIGHT0.438 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL