National Item Identification Number
00-439-0355
004390355
4820-00-439-0355
4820-00-439-0355
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)
79318
Reference Numbers (Part Numbers)
2021
Required Categories
STYLE DESIGNATOR
OVERALL HEIGHT
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER
M
Required Description
B6 PLAIN
0.252 INCHES MINIMUM AND
0.258 INCHES MAXIMUM
0.495 INCHES MINIMUM A