National Item Identification Number
01-449-2257
014492257
4820-01-449-2257
4820-01-449-2257
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)
Reference Numbers (Part Numbers)
5-061-0568
Required Categories
STYLE DESIGNATOR
MATERIAL
SEATING SURFACE SHAPE
III END ITEM IDENTIFICATION
Required Description
B6 PLAIN
COPPER ALLOY SEAT
FLAT
STRATEGIC SEALIFT CONVERSION SHIPS CLASS