National Item Identification Number
01-017-1273
010171273
4820-01-017-1273
4820-01-017-1273
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)
PL501E456AFPC3
101C428AB-1
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER;
Required Description
B9 PLAIN FLANGED
4.251 INCHES NOMINAL
3.748 INCHES NOMINAL
2.500 INCHES MINIM