National Item Identification Number
01-443-4521
014434521
4820-01-443-4521
4820-01-443-4521
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)
4384536
803-4384536-82B-85
Required Categories
MATERIAL
SEATING SURFACE SHAPE
SEAT ANGLE IN DEG
SPECIAL FEATURES
III END IT
Required Description
NICKEL ALLOY SEAT
ANGULAR
45.000 NOMINAL
USED ON 2IN. IN-LINE VALVE,STOP-CHEC