National Item Identification Number
01-322-4990
013224990
4820-01-322-4990
4820-01-322-4990
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)
2498-00-259 4IN DETAIL 17
Required Categories
BODY OUTSIDE DIAMETER
Required Description
4.000 INCHES NOMINAL