National Item Identification Number
01-431-1373
014311373
4820-01-431-1373
4820-01-431-1373
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
53711
53711
Reference Numbers (Part Numbers)
6983468
6983468 PC34
803-6983468-PC034
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY INSIDE DIAMETER
FLANGE SEAT TO DISK END
Required Description
B1 THREADED FLANGED
4.500 INCHES NOMINAL
4.440 INCHES NOMINAL
0.312 INCHES NO