National Item Identification Number
00-251-1556
002511556
4820-00-251-1556
4820-00-251-1556
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)
28968
28968
28968
Reference Numbers (Part Numbers)
N8211G6Y/MM-1 ITEM 5
80027-1
80027-2
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER;
Required Description
B9 PLAIN FLANGED
0.500 INCHES NOMINAL
0.468 INCHES NOMINAL
0.250 INCHES NOMIN
