National Item Identification Number
00-564-9891
005649891
4820-00-564-9891
4820-00-564-9891
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)
18876
Reference Numbers (Part Numbers)
8511447
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER;
Required Description
B7 PLAIN FLANGED
0.432 INCHES MINIMUM AND
0.442 INCHES MAXIMUM
0.370 INCHES M