National Item Identification Number
01-172-9008
011729008
4820-01-172-9008
4820-01-172-9008
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)
508-4325339 PC 56
Required Categories
STYLE DESIGNATOR
OVERALL HEIGHT
BODY INSIDE DIAMETER
MATERIAL
HARDNESS RATIN
Required Description
B5 PLAIN THREADED
2.000 INCHES NOMINAL
2.000 INCHES NOMINAL
NICKEL ALLOY SEAT