National Item Identification Number
00-301-9880
003019880
4820-00-301-9880
4820-00-301-9880
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)
99193
Reference Numbers (Part Numbers)
365730-1
Required Categories
MATERIAL
HARDNESS RATING
SEATING SURFACE SHAPE
III FSC APPLICATION DATA
THE
Required Description
STEEL COMP 440C OVERALL
58.000 ROCKWELL C MINIMUM AND
60.000 ROCKWELL C MAXIMU