National Item Identification Number
01-268-3278
012683278
4820-01-268-3278
4820-01-268-3278
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)
Reference Numbers (Part Numbers)
803-4384536-45A-13
803438453611B13
Required Categories
BODY INSIDE DIAMETER
FLANGE SEAT TO DISK END HEIGHT
UNDER FLANGE HEIGHT
MATER
Required Description
0.844 INCHES NOMINAL
0.234 INCHES NOMINAL
0.110 INCHES NOMINAL
NICKEL ALLOY O