NSN 4820-01-274-1860

Part Details | VALVE SEAT

4820-01-274-1860 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: F05461 PIECE 13, F04561, 4820-01-274-1860, 01-274-1860, 4820012741860, 012741860

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAR 05, 198801-274-186022113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-274-1860
Part Number Cage Code Manufacturer
F05461 PIECE 1385130FLOWSERVE CORPORATIONDIV FLOWSERVE US INC
F0456185130FLOWSERVE CORPORATIONDIV FLOWSERVE US INC
Technical Data | NSN 4820-01-274-1860
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER5.437 INCHES NOMINAL
BODY INSIDE DIAMETER4.500 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.312 INCHES NOMINAL
UNDER FLANGE HEIGHT2.188 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG30.000 NOMINAL