National Item Identification Number

01-156-8279
011568279
4820-01-156-8279
4820-01-156-8279

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)

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Reference Numbers (Part Numbers)

803-4384536
803-4384536-6XXX-13

Required Categories

STYLE DESIGNATOR
FLANGE DIAMETER
BODY INSIDE DIAMETER
FLANGE SEAT TO DISK END

Required Description

B1 THREADED FLANGED
1.734 INCHES NOMINAL
1.405 INCHES NOMINAL
0.091 INCHES NO