National Item Identification Number
01-493-4689
014934689
4820-01-493-4689
4820-01-493-4689
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
96169
53711
Reference Numbers (Part Numbers)
2640-801X2
2640-801X2 PC 43
2643-405-01 ITEM 50
845-7285244 ITEM 50
Required Categories
STYLE DESIGNATOR
OVERALL HEIGHT
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER
M
Required Description
B11 PLAIN
0.281 INCHES NOMINAL
1.061 INCHES MAXIMUM
0.562 INCHES NOMINAL
PLA