National Item Identification Number
00-302-9988
003029988
4810-00-302-9988
4810-00-302-9988
National Stock Number
Item Name
SEAT,VALVE
Federal Supply Class
4810
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)
82106
Reference Numbers (Part Numbers)
12014
Required Categories
MATERIAL
SURFACE TREATMENT
HARDNESS RATING
SEATING SURFACE SHAPE
SEAT ANGLE
Required Description
STEEL CORROSION RESISTING OVERALL
PASSIVATE OVERALL
55.0 ROCKWELL C MINIMUM AN