National Item Identification Number
01-171-1978
011711978
4820-01-171-1978
4820-01-171-1978
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)
96169
96169
Reference Numbers (Part Numbers)
522-4677496
522-4677496ITEM13
87682-7603
87682-7603ITEM13
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER;
Required Description
B7 PLAIN FLANGED
0.482 INCHES MINIMUM AND
0.483 INCHES MAXIMUM
0.482 INCHES M