National Item Identification Number
00-399-3864
003993864
4820-00-399-3864
4820-00-399-3864
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)
24446
24446
Reference Numbers (Part Numbers)
WW6692961PC4
WW6692961PC4
6694092
6694092
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HARDNESS RATING
THE MANUFACTURE
Required Description
STEEL SEAT
MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE SEAT
NOT RATED
71669;