NSN 4820-00-754-4721

Part Details | VALVE SEAT

4820-00-754-4721 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: 1JC9184P4, 1JC918PC4, 4820-00-754-4721, 00-754-4721, 4820007544721, 007544721

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196000-754-472122113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-754-4721
Part Number Cage Code Manufacturer
1JC9184P479500WESTINGHOUSE ELECTRIC CORP
1JC918PC479500WESTINGHOUSE ELECTRIC CORP
Technical Data | NSN 4820-00-754-4721
Characteristic Specifications
STYLE DESIGNATOR4 THREADED FLANGED
FLANGE DIAMETER3.042 INCHES MINIMUM AND 3.052 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.562 INCHES MINIMUM AND 2.563 INCHES MAXIMUM
BODY INSIDE DIAMETER0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM
UNDER FLANGE HEIGHT3.031 INCHES NOMINAL