NSN 4820-00-399-2887

Part Details | VALVE SEAT

4820-00-399-2887 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: 43210, 4820-00-399-2887, 00-399-2887, 4820003992887, 003992887

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-399-288722113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-399-2887
Part Number Cage Code Manufacturer
4321053059SPIRAX SARCO, INC.
Technical Data | NSN 4820-00-399-2887
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER1.875 INCHES NOMINAL
BODY INSIDE DIAMETER1.343 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.156 INCHES NOMINAL
UNDER FLANGE HEIGHT0.375 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT
SPECIAL FEATURESTWO LUGS SPANNER TYPEWRENCHING FEATURES ON THE TOP OF SEAT 0.375 IN. LG,0.125 IN. W,0.125 IN. H,SPACED 180 DEGREES APART