National Item Identification Number
01-018-9026
010189026
4820-01-018-9026
4820-01-018-9026
National Stock Number
Item Name
SEAT,VALVE
Federal Supply Class
4820
Description
A replaceable item designed to provide a circular 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.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
B1363
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER;
Required Description
B7 PLAIN FLANGED
5.500 INCHES NOMINAL
4.165 INCHES NOMINAL
3.050 INCHES NOMIN