National Item Identification Number
00-340-0853
003400853
4820-00-340-0853
4820-00-340-0853
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)
60029
Reference Numbers (Part Numbers)
8U8017-4
Required Categories
FLANGE DIAMETER
BODY OUTSIDE DIAMETER
FLANGE SEAT TO DISK END HEIGHT
UNDER FL
Required Description
0.684 INCHES MINIMUM AND
0.685 INCHES MAXIMUM
0.363 INCHES MINIMUM AND
0.367