National Item Identification Number
00-858-1653
008581653
4820-00-858-1653
4820-00-858-1653
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)
18355
88277
Reference Numbers (Part Numbers)
2356975
2356975
Required Categories
OVERALL HEIGHT
BODY OUTSIDE DIAMETER
MATERIAL
HARDNESS RATING
SEATING SURFAC
Required Description
2.459 INCHES NOMINAL
0.625 INCHES NOMINAL
STEEL COMP 52100 OVERALL
48.0 ROCKW