National Item Identification Number
00-840-4664
008404664
4820-00-840-4664
4820-00-840-4664
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)
19207
Reference Numbers (Part Numbers)
8356291
Required Categories
STYLE DESIGNATOR
OVERALL HEIGHT
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER
M
Required Description
B6 PLAIN
0.250 INCHES NOMINAL
0.877 INCHES MINIMUM AND
0.878 INCHES MAXIMUM;