National Item Identification Number
01-253-7662
012537662
4820-01-253-7662
4820-01-253-7662
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)
98939
Reference Numbers (Part Numbers)
442R021
Required Categories
STYLE DESIGNATOR
OVERALL HEIGHT
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER
M
Required Description
B11 PLAIN
0.123 INCHES MINIMUM AND
0.127 INCHES MAXIMUM
0.435 INCHES MINIMUM