National Item Identification Number
00-409-2257
004092257
4810-00-409-2257
4810-00-409-2257
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)
59364
99193
Reference Numbers (Part Numbers)
858846-2
858846-2
Required Categories
MATERIAL
HARDNESS RATING
SEATING SURFACE SHAPE
SEAT ANGLE IN DEG
THE MANUFAC
Required Description
STEEL OVERALL
40.0 ROCKWELL C MINIMUM AND
47.0 ROCKWELL C MAXIMUM OVERALL
ANG