National Item Identification Number

01-156-4884
011564884
4520-01-156-4884
4520011564884

National Stock Number

Item Name

DRAFT CONTROL,FLUE,AUTOMATIC

Federal Supply Class

4520

Description

An item consisting of a metal frame in which is inserted a flat metal plate mounted on a shaft. The plate, fluctuating automatically according to changes in atmospheric pressure, controls the stack or flue draft and maintains an absolute constancy of draft regardless of varying weather conditions.

Commercial and Government Entity Code (Supplier Data)

---

Reference Numbers (Part Numbers)

M-8

Required Categories

GENERAL CHARACTERISTICS ITEM DESCRIPTION

Required Description

STEEL,GALVANIZED;9.750 IN.LG;8.625 IN.OD