National Item Identification Number

01-189-6720
011896720
4520-01-189-6720
4520011896720

National Stock Number

Item Name

DAMPER,FLUE

Federal Supply Class

4520

Description

A cast iron or sheet metal plate designed to be installed in a boiler, heater, stove, or furnace flue pipe to control the draft, and/or in an air duct to control the passage of air. Excludes VALVE, BUTTERFLY.

Commercial and Government Entity Code (Supplier Data)

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49956

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3B150

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49956

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Reference Numbers (Part Numbers)

A105191
A105191-3
A105191-3

Required Categories

OVERALL LENGTH
OVERALL WIDTH
SHAPE
OPERATION METHOD
SPECIAL FEATURES

Required Description

30.000 INCHES NOMINAL
20.000 INCHES NOMINAL
RECTANGULAR
AUTOMATIC
WITHOUT SO