National Item Identification Number
00-498-7302
004987302
4820-00-498-7302
4820-00-498-7302
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)
51663
Reference Numbers (Part Numbers)
RB19054
Required Categories
MATERIAL
SURFACE TREATMENT
HARDNESS RATING
SEATING SURFACE SHAPE
SEAT ANGLE
Required Description
STEEL COMP 303MA OVERALL
PASSIVATE OVERALL
NOT RATED
ANGULAR
90.000 NOMINAL;