National Item Identification Number
00-978-2321
009782321
4820-00-978-2321
4820-00-978-2321
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)
72957
72957
72957
72957
Reference Numbers (Part Numbers)
8WW0060PC1H2C
8X0017
8X0017-1
8X0017PC1H2C
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER;
Required Description
B7 PLAIN FLANGED
2.500 INCHES NOMINAL
2.124 INCHES MINIMUM AND
2.125 INCHES M