National Item Identification Number
00-571-3718
005713718
4820-00-571-3718
4820-00-571-3718
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)
01289
Reference Numbers (Part Numbers)
894B361PC2
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER;
Required Description
B7 PLAIN FLANGED
4.955 INCHES MINIMUM AND
4.956 INCHES MAXIMUM
3.680 INCHES N