National Item Identification Number
01-104-9291
011049291
4820-01-104-9291
4820-01-104-9291
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)
43689
Reference Numbers (Part Numbers)
202260 PIECE 5
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY INSIDE DIAMETER
FLANGE SEAT TO DISK END
Required Description
B1 THREADED FLANGED
4.188 INCHES NOMINAL
3.375 INCHES NOMINAL
0.156 INCHES NO