National Item Identification Number
00-456-8576
004568576
4820-00-456-8576
4820-00-456-8576
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)
59364
99193
Reference Numbers (Part Numbers)
311904-3
311904-3
Required Categories
STYLE DESIGNATOR
BODY OUTSIDE DIAMETER
FLANGE SEAT TO DISK END HEIGHT
UNDER F
Required Description
B7 PLAIN FLANGED
0.264 INCHES MINIMUM AND
0.269 INCHES MAXIMUM
0.035 INCHES M