National Item Identification Number
01-290-9222
012909222
4820-01-290-9222
4820-01-290-9222
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)
803-1385541
803-1385541-04X-04
803-1385541-04X-26
803-1385541-041-04
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HARDNESS RATING
SEATING SURFACE
Required Description
NICKEL ALLOY OVERALL
ASTM 494 GRADE M30H ASSN STD SINGLE MATERIAL RESPONSE OVER