National Item Identification Number
01-284-5984
012845984
4820-01-284-5984
4820-01-284-5984
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)
61661
Reference Numbers (Part Numbers)
MV-21F2 ITEM 4
Required Categories
MATERIAL
HARDNESS RATING
SPECIAL FEATURES
Required Description
STEEL COMP 410 SEAT
38.0 ROCKWELL C MINIMUM SEAT
HARDFACING-STELLITE NR. 6
FO
