National Item Identification Number
01-138-6167
011386167
4820-01-138-6167
4820-01-138-6167
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)
53711
53711
53711
53711
Reference Numbers (Part Numbers)
803-5001003
803-5001003 PC 4 ASSY S111
803-5001003-S1X1-04
803-5001003-X1X
Required Categories
STYLE DESIGNATOR
FLANGE DIAMETER
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER;
Required Description
B7 PLAIN FLANGED
0.995 INCHES MINIMUM
0.870 INCHES NOMINAL
0.437 INCHES NOMIN