National Item Identification Number
01-122-9855
011229855
4820-01-122-9855
4820-01-122-9855
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)
Reference Numbers (Part Numbers)
803-2177518
803-2177518-05XX-04
810-2177518-05XX-04
Required Categories
STYLE DESIGNATOR
OVERALL HEIGHT
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER
M
Required Description
B6 PLAIN
1.620 INCHES NOMINAL
4.654 INCHES NOMINAL
4.000 INCHES NOMINAL
STEE