National Item Identification Number
00-858-9981
008589981
4820-00-858-9981
4820-00-858-9981
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)
99251
Reference Numbers (Part Numbers)
1608397-1
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY INSIDE DIAMETER
FLANGE SEAT TO DISK END
Required Description
B10 PLAIN FLANGED
0.254 INCHES MINIMUM AND
0.256 INCHES MAXIMUM
0.076 INCHES