National Item Identification Number
01-123-1561
011231561
4820-01-123-1561
4820-01-123-1561
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)
86184
86184
86184
86184
86184
Reference Numbers (Part Numbers)
80331-01
80331-01G
8033101A
98785
98785 PART 80331-01
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY INSIDE DIAMETER
FLANGE SEAT TO DISK END
Required Description
B1 THREADED FLANGED
1.000 INCHES NOMINAL
0.688 INCHES NOMINAL
0.188 INCHES NO
