National Item Identification Number
01-442-0439
014420439
4820-01-442-0439
4820-01-442-0439
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)
53711
96169
96169
53711
53711
53711
Reference Numbers (Part Numbers)
218020209
2643-1002-63
2643-1002-63 FN A6
6556655
801-6556655 FIND A6
801-6
Required Categories
STYLE DESIGNATOR
OVERALL HEIGHT
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER
M
Required Description
B6 PLAIN
1.375 INCHES NOMINAL
5.140 INCHES NOMINAL
4.625 INCHES NOMINAL
PLAS
